CN1629963A - File temporary delete and recovery method for CD-RW - Google Patents
File temporary delete and recovery method for CD-RW Download PDFInfo
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- CN1629963A CN1629963A CN 200310109551 CN200310109551A CN1629963A CN 1629963 A CN1629963 A CN 1629963A CN 200310109551 CN200310109551 CN 200310109551 CN 200310109551 A CN200310109551 A CN 200310109551A CN 1629963 A CN1629963 A CN 1629963A
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Abstract
This invention relates to a temporary canceling and recovering method for files of re-registered discs, which registers the identified information capable of recovering the temporarily canceled played catalog file to file registration at the same time when temporarily canceling played catalogs registering the management on a high density re-registered disk so as to recover the wrong canceled catalog, its connected and information files.
Description
(1) technical field
The invention relates to the interim deletion and the restoration methods of re-recordable optical disc file.That is, be the method for the playing catalog file of record management on the recording mediums such as re-recordable optical disc of a kind of interim deletion or recovery.
(2) background technology
Recently, new high-density re-recordable optical disc along with the voice data of video data that can a large amount of high image quality of recording storage and high tone quality, such as " Blu-ray disc rewritable " (below be called, the development rapidly of normalized production BD-RW), the exploitation of its Related product listing and popularized a general orientation into current development.
Fig. 1 is the signal record of CD such as BD-RW and the part-structure figure of required video disc transcripter VDR optical disc apparatus such as (Video Disc Recorder) when playing.Above-mentioned optical disc apparatus comprises following structure: light picker 2, read the signal of record on the CD 1 such as BD-RW or the record data stream from the process signal Processing of outside input; VDR system 3, the signal that above-mentioned light picker 2 is read carries out the play signal processing, perhaps the data stream of outside input is carried out signal Processing and is converted into the data stream that is fit to write down, and the duty of VDR system 3 is controlled by operator's input signal; Scrambler 4 carries out release code with the simulating signal of outside input, carries above-mentioned VDR system 3.
In addition, the A/V data stream that is used for Play Control cut-parts unit of recording storage on the above-mentioned BD-RW CD 1, such as shown in Figure 2, (Clip 1 A/V Stream promptly for the A/V data stream of the 1st cut-parts, Clip 1 data stream) and the first actual play catalogue (Real playlist 1) of the A/V data stream of the 2nd cut-parts (CLIP 2 A/V Stream promptly, CLIP 2 data stream) and the second actual play catalogue (Real playlist 2) can be recorded management with the form of file.
In addition, being used for respectively the editing operation record management by the user of Clip 2 A/V data stream (CLIP 2 A/V Stream) with the Clip 1 A/V data stream (Clip 1 A/V Stream) of above-mentioned the 1st cut-parts and the 2nd cut-parts are connected broadcast with subpath by main path the first virtual playing catalog (virtual playlistl) is document form.
And the VDR system 3 of above-mentioned optical disc apparatus specifies that catalogue file of actual play of record management on the above-mentioned BD-RW CD 1 and the selection of virtual playing catalog file in order to realize, generates OSD (the ON SCREEN DISPLAY) image of user's choice menus.Then, shown in Fig. 3 a and Fig. 3 b, show the choice menus picture of virtual playing catalog #1-#9 among actual play catalogue #1-#9 and Fig. 3 b among the illustration 3a by the outputs such as TV set image that are connected.
Therefore, the user who has above-mentioned optical disc apparatus just can select to specify a plurality of actual play catalogues of record management on the above-mentioned BD-RW CD 1 or any one playing catalog in the middle of the virtual playing catalog by above-mentioned OSD image.Such as, when the user selected to specify the first actual play catalogue (actual play catalogue #1) to require to carry out play operation, above-mentioned VDR system 3 will carry out retrieval and read the broadcast sequence of operations of the Clip 1 A/V data stream of the 1st cut-parts that are connected of the first actual play catalogue (actual play catalogue #1) therewith.
In addition, the user selects to specify the above-mentioned first actual play catalogue (actual play catalogue #1) and when requiring to delete, and above-mentioned VDR system 3 will carry out a series of deletion actions of this first actual play catalogue of output (actual play catalogue #1).
But because user's error, when mistake had been deleted actual play catalogue or virtual playing catalog, present actual conditions were to go back the solution that actual play catalogue file that neither one effectively deletes this mistake or virtual playing catalog file recover again.
(3) summary of the invention
The present invention proposes in order to address the above problem.The object of the present invention is to provide a kind of interim deletion and restoration methods of re-recordable optical disc file.The method can realize the playing catalog file of record management on the recording mediums such as re-recordable optical disc is deleted the playing catalog file that (temporal delete) handled and recovered (restore) this interim deletion temporarily.
To achieve these goals, the interim delet method of re-recordable optical disc file of the present invention is characterized in that comprising following two operation stepss:
First step, require the corresponding file logging of actual play catalogue (file record) of deletion in listed files (file table) on retrieval and the re-recordable optical disc in the actual play catalogue of record management, record embodies identifying information and this interim deletion time of deletion temporarily then;
Second step, corresponding file loggings (recorder) such as cut-parts file that retrieval links to each other with the file of the actual play catalogue of above-mentioned interim deletion and cut-parts message file, then, record management embodies identifying information and this interim deletion time of interim deletion.
In addition, the interim delet method of re-recordable optical disc file of the present invention is characterized in that comprising following two operation stepss:
Require the corresponding file logging of actual play catalogue (file record) of deletion in the first step, listed files (file table) on retrieval and the re-recordable optical disc in the actual play catalogue of record management;
Second step goes up identifying information and this interim deletion time that record embodies interim deletion in the above-mentioned file logging that retrieves (recorder).
In addition, the restoration methods of the interim deleted file of re-recordable optical disc file of the present invention is characterized in that comprising following three operation stepss:
First step receives the recovery requirement to the actual play catalogue of interim deletion in the playing catalog of record management on the re-recordable optical disc;
Second step, the corresponding file logging of actual play catalogue (recorder) that retrieval and above-mentioned requirements are recovered in listed files (file table), the identifying information that will embody interim deletion then is released to interim deletion value in the past, and writes down release time;
Third step, cut-parts file and the corresponding file logging of cut-parts message file (recorder) that retrieval is connected with the file logging (recorder) of the above-mentioned actual play catalogue that is resumed, the identifying information that embodies interim identification is released to interim deletion value in the past, and writes down this release time.
In addition, the restoration methods of the interim deleted file of re-recordable optical disc file of the present invention is characterized in that comprising following three operation stepss:
First step receives the recovery requirement to the virtual playing catalog of interim deletion in the playing catalog of record management on the re-recordable optical disc;
Second step, the corresponding file logging of virtual playing catalog (recorder) that retrieval and above-mentioned requirements are recovered in listed files (file table);
Third step is released to interim deletion value in the past with the identifying information that embodies interim deletion, and writes down release time.
Effect of the present invention: interim deletion of file and restoration methods with re-recordable optical disc of the present invention of above-mentioned structure have very high practical value.The method is when the playing catalog of record management on the high density re-recordable optical disc recording mediums such as (BD-RW) has carried out interim deletion (TEMPORAL DELETE) processing, can be so that the playing catalog file of this interim deletion be recovered the identifying information addition record of (RESTORE) to file logging (RECORDER), thereby just can be the user because error when having caused the mistake of file to delete, also can recover playing catalog file that this mistake deletes and coupled cut-parts file and cut-parts message file again.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
(4) description of drawings
Fig. 1 is the part-structure figure of video disc CD writer optical disc apparatus such as (VDR:Video Disc Recorder);
Fig. 2 is the actual play catalogue (Real play list) and the virtual playing catalog (virtual play list) of re-recordable optical disc (BD-RW), and the connection status figure between the cut-parts message file etc.;
Fig. 3 a and 3b are the actual play catalogue (REAL PALYLIST) and virtual playing catalog (VIRTUAL PLAYLIST) the choice menus picture diagrammatic sketch of re-recordable optical disc (BD-RW);
Fig. 4 is the file structure figure of re-recordable optical disc (BD-RW);
Fig. 5 is by file logging (RECORD) view that embodies the attribute information of interim deletion that comprised of the present invention;
Fig. 6 is the operational flowchart of the interim delet method of re-recordable optical disc file of the present invention;
Fig. 7 deletes the display frame of playing catalog menu for the present invention temporarily;
Fig. 8 is the operational flowchart of the interim deleted file restoration methods of re-recordable optical disc of the present invention;
The symbol description of major part in the accompanying drawing:
1, CD 2, light picker (pick up)
3, VDR system 4, scrambler (encoder)
(5) embodiment
Below, with reference to the accompanying drawings the interim deletion of re-recordable optical disc file of the present invention and the desirable embodiment of restoration methods are elaborated.
At first, Fig. 4 is the file structure figure of re-recordable optical disc (BD-RW).Use following fixing specific file structure (file structure) among the above-mentioned BD-RW, at least more than one DVR catalogue (DIRECTORY) is set below the root directory (Root directory) of upper, " info.dvr " file is set in this catalogue, " menu.tidx " and " mark.tidx " file, in addition, comprise a plurality of playing catalog file (the * .rpls of record, * playing catalog sub-directory (playlist subdirectory) .vpls), with the cut-parts information sub-directory (clipinf subdirectory) that comprises a plurality of cut-parts message files (* .clpi), and comprise and writing down the data stream sub-directory (stream subdirectory) that the corresponding a plurality of cut-parts files of each cut-parts message file have promptly write down the cut-parts file (* .m2ts) of the A/V data stream of MPEG2 mode.
In addition, the cut-parts file that comprises record on the above-mentioned data stream sub-directory, such as the various Play Control information of ' 01001.m2ts ' file and ' 02000.m2ts ' file, recording storage is to ' 01001.clpi ' file that is included on the above-mentioned clipsubdirectory, in ' 02000.clpi ' file respectively.And the playing catalog information that is connected broadcast and playing sequence that determines above-mentioned ' 01001.m2ts ' file and ' 02000.m2ts ' file can store on ' 01001.rpls ' that is included in the above-mentioned playing catalog sub-directory (playlist subdirectory).
In addition, the listed files (file table) that is used for each file of the above-mentioned linkage record of this example, as shown in Figure 5, can a plurality of file loggings of record management (record), can comprise log file name recording mechanism (file name record number) in this file logging (record), successive links (next link), original link (parentlink), attribute (attribute), rise time (creation time), and change time information such as (modification time).Comprise in the above-mentioned file logging (record) and comprise the identifying information that record embodies the interim deletion of this document record (record) in the attribute information of record, such as the interim delete flag of 1bit (temporal delete=bit 7).
Like this, 3 pairs of recording storage of VDR system with reference to the foregoing optical disc apparatus of Fig. 1 are exported processing to actual play catalogue or virtual playing catalog on the above-mentioned BD-RW CD 1 temporarily, and the actual play catalogue that this interim deletion has been handled or the attribute information of the corresponding file logging of virtual playing catalog (RECORD) will be set (SET) for embodying BIT 7=1 of interim deletion then.
In addition, when recovering this actual play catalogue of temporarily being deleted or virtual playing catalog, the attribute information of actual play catalogue that this is resumed or the corresponding file logging of virtual playing catalog (FILE RECORD) will be released (RELEASE) and be BIT 7=' 0 '.To be elaborated to this below.
Fig. 6 is the operational flowchart of the interim delet method of re-recordable optical disc file of the present invention.
The user who has above-mentioned optical disc apparatus, as described in Fig. 3 a and Fig. 3 b, after having specified in the actual play catalogue of record management on the above-mentioned BD-RW CD 1 or the virtual playing catalog arbitrarily a playing catalog by the OSD picture and selecting of televisor, can require this playing catalog is deleted processing.
Be the operating process of the interim delet method of re-recordable optical disc file of the present invention below.
Flow process begins.
S10, above-mentioned VDR system 3 is receiving the playing catalog erasure request by said process.
Does S11 at this moment, judge that requiring the playing catalog of deletion is actual play catalogue or virtual playing catalog?
S12 when if the result of above-mentioned affirmation is the actual play catalogue, retrieves the corresponding file logging of this actual play catalogue (RECORD).
S13, afterwards, with attribute (ATTRIBUTE) information setting of the above-mentioned file logging that retrieves (RECORD) for embodying the BIT 7=' 1 ' (Attribute=bit 7 ' 1 ') of interim deletion.
S14 in addition, also can be recorded as change time (modification time) information of this file logging (RECORD) time (modification time=delete time) of interim deletion.
S15 utilizes the content of the actual play catalogue of this interim deletion to retrieve the file logging (RECORD) of the cut-parts file (* .M2TS) that actual play catalogue therewith is connected and the file logging (RECORD) of cut-parts message file (* .CLPI) respectively.
S16 then, is set at the BIT 7=' 1 ' (Attribute=bit 7 ' 1 ') that embodies interim deletion with the attribute information of the file logging (RECORD) that is retrieved.
S17, and change time (modification time) information of this file logging (RECORD) is recorded as time (modification time=delete time) of interim deletion.
Does S18 in addition, judge that whether just above-mentioned VDR system 3 in the part deletion (Partial delete) of the actual play catalogue of above-mentioned interim deletion?
S19, if judging above-mentioned VDR system 3 is not whole catalogue and when just part is deleted in the actual play catalogue of above-mentioned interim deletion, the part of not deleting processing that only will be left reconstitutes and is the cut-parts information content, then with its with form record management of cut-parts file to new video disc recording zone.
S20, at this moment, above-mentioned VDR system carries out the record management operation of following a series of file logging (RECORD), that is and, this cut-parts file and the corresponding file logging of cut-parts message file (RECORD) addition record are in above-mentioned listed files, and flow process finishes.
S30 in addition, in flow process S11, if when the playing catalog of customer requirements deletion is virtual playing catalog, retrieves the corresponding file logging of this virtual playing catalog (RECORD) in the middle of listed files.
S31, afterwards, above-mentioned VDR system 3 will be with attribute (ATTRIBUTE) information setting of the above-mentioned file logging that retrieves (RECORD) for embodying the bit 7=' 1 ' (Attribute=bit 7 ' 1 ') of interim deletion.
S32 is recorded as time (modification time=delete time) of interim deletion with change time (modification time) information of this file logging (RECORD), and flow process finishes.
Then, the attribute information of the file logging (RECORDER) of cut-parts file that above-mentioned VDR system 3 is relevant with this playing catalog with the playing catalog of customer requirements deletion and cut-parts message file is set management for embody the bit 7=1 that deletes temporarily.At this moment, comprise in the above-mentioned file logging (RECORDER) indication information of record management on the successive links of record and the original link can change record for being used to indicate the information of other file logging (RECORDER) outside the interim deleted file record (RECORDER).
As reference, the indication information of change record is when general file logging (RECORD) deletion or file logging (RECORD) record on above-mentioned successive links and the original link, can unify to be suitable for during common known technology, so below will carry out simple explanation to this.
Above-mentioned VDR system 3 can be selected to recover for the playing catalog that makes above-mentioned interim deletion by the user, as shown in Figure 7, the user of the playing catalog of this interim deletion selects catalogue to be output by television image and is shown to the OSD image, actual play catalogue #1 in the illustration, 4,7,9,14,21 and virtual playing catalog # 2,9,12 choice menus picture.Now the method for selecting the playing catalog of appointment to recover by above-mentioned OSD image is elaborated.
Fig. 8 is the operational flowchart of the interim deleted file restoration methods of re-recordable optical disc of the present invention.
Below Fig. 8 is elaborated.
Flow process begins.
S50, above-mentioned VDR system 3 receives the recovery requirement of the playing catalog of temporarily deleting being carried out playing catalog by the OSD image.
Does S51 judge that this playing catalog that requires to recover is actual play catalogue or virtual playing catalog?
S52 when if the result of above-mentioned affirmation is the actual play catalogue, is retrieving the corresponding file logging of this actual play catalogue (RECORD).
S53, afterwards, it be bit 7=' 0 ' (Attribute=bit 7 ' 0 ') that above-mentioned VDR system 3 will discharge (RELEASE) with attribute (ATTRIBUTE) information of the above-mentioned file logging that retrieves (RECORD).
S54 in addition, also can be recorded as release time (RESTORE TIME) with change time (modification time) information of this file logging (RECORD).
S55 utilizes the content of this actual play catalogue that is resumed, and retrieves the file logging (RECORD) of the cut-parts file (* .M2TS) that actual play catalogue therewith is connected and the file logging (RECORD) of cut-parts message file (* .CLPI) respectively.
S56 then, is released to bit 7=' 0 ' (Attribute=bit 7 ' 0 ') with the attribute information of the file logging (RECORD) that is retrieved.
S57, and change time (modification time) information of this file logging (RECORD) is recorded as the time of interim recovery deletes the cut-parts message file before the rejuvenation simultaneously, and flow process finishes.
S60, in addition, if judge in flow process S51, when the playing catalog that customer requirements recovers was virtual playing catalog, above-mentioned VDR system 3 retrieved the corresponding file logging of this virtual playing catalog (RECORD) in listed files.
S61, afterwards, attribute (ATTRIBUTE) information of the above-mentioned file logging that retrieves (RECORD) will be discharged (RELEASE) is bit 7=' 0 ' (Attribute=bit 7 ' 0 ').
S62, and, also change time (modification time) information of this file logging (RECORD) can be recorded as release time (RESTORE TIME) (modification time=restore time) in addition, flow process finishes.
Then, above-mentioned VDR system 3 playing catalog that customer requirements is recovered is released to bit 7=0 with the attribute information of the file logging (RECORDER) of playing catalog is relevant therewith cut-parts file and cut-parts message file.At this moment, comprise in the above-mentioned file logging (RECORDER) indication information of record management on the successive links of record and the original link can change record for being used to indicate the information of other file logging (RECORDER) outside the interim deleted file record (RECORDER).
As a reference, the information of the interim deletion of above-mentioned embodiment also can comprise the out of Memory outside the attribute information that records above-mentioned file logging (RECORDER), such as in file logging (RECORD TYPE) information.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense, so be not as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the distortion of the above embodiment.
Claims (10)
1, a kind of interim delet method of re-recordable optical disc file is characterized in that comprising following two operation stepss:
First step requires the corresponding file logging of actual play catalogue of deletion in the actual play catalogue of record management on retrieval and the re-recordable optical disc in listed files, record embodies identifying information and this interim deletion time of deletion temporarily then;
Second step, corresponding file loggings such as cut-parts file that retrieval links to each other with the file of the actual play catalogue of above-mentioned interim deletion and cut-parts message file, then, record management embodies identifying information and this interim deletion time of interim deletion.
2, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 1 is characterized in that:
Described interim deletion is part when deleting, and also comprises a step: after not having deleted part to store the video disc recording zone into as new cut-parts file and cut-parts message file, with file logging record management corresponding with it to described listed files.
3, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 1 is characterized in that:
Described identifying information is to comprise in the attribute information that is recorded in described file logging.
4, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 1 is characterized in that:
The described interim deletion time is to record in the change temporal information of above-mentioned file logging.
5, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 1 is characterized in that:
Described second step is the link information that comprises in the file logging with reference to the actual play catalogue of described interim deletion, retrieves described cut-parts file and cut-parts message file.
6, a kind of interim delet method of re-recordable optical disc file is characterized in that comprising following two operation stepss:
First step requires the corresponding file logging of actual play catalogue of deletion in the actual play catalogue of record management on retrieval and the re-recordable optical disc in the listed files;
Second step, record embodies identifying information and this interim deletion time of interim deletion in the above-mentioned file logging that retrieves.
7, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 6 is characterized in that:
Described identifying information is to comprise in the attribute information that is recorded in described file logging.
8, the Lin Shi Delete eliminating method of re-recordable optical disc file as claimed in claim 6 is characterized in that:
The described interim deletion time is to be recorded in the change temporal information of described file logging.
9, a kind of restoration methods of interim deleted file of re-recordable optical disc file is characterized in that comprising following three operation stepss:
First step receives the recovery requirement to the actual play catalogue of interim deletion in the playing catalog of record management on the re-recordable optical disc;
Second step, the corresponding file logging of actual play catalogue that retrieval and above-mentioned requirements are recovered in listed files, the identifying information that will embody interim deletion then is released to the value before the interim deletion, and writes down release time;
Third step, cut-parts file and the corresponding file logging of cut-parts message file that retrieval is connected with the file logging of the above-mentioned actual play catalogue that is resumed, the identifying information that embodies interim identification is released to interim deletion value in the past, and writes down this release time.
10, a kind of restoration methods of interim deleted file of re-recordable optical disc file is characterized in that comprising following three operation stepss:
First step receives the recovery requirement to the virtual playing catalog of interim deletion in the playing catalog of record management on the re-recordable optical disc;
Second step, the corresponding file logging of virtual playing catalog that retrieval and above-mentioned requirements are recovered in listed files;
Third step is released to interim deletion value in the past with the identifying information that embodies interim deletion, and writes down release time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101095513A CN100395840C (en) | 2003-12-19 | 2003-12-19 | File temporary delete and recovery method for CD-RW |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101095513A CN100395840C (en) | 2003-12-19 | 2003-12-19 | File temporary delete and recovery method for CD-RW |
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| CN1629963A true CN1629963A (en) | 2005-06-22 |
| CN100395840C CN100395840C (en) | 2008-06-18 |
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| CNB2003101095513A Expired - Fee Related CN100395840C (en) | 2003-12-19 | 2003-12-19 | File temporary delete and recovery method for CD-RW |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8204918B2 (en) | 2007-08-30 | 2012-06-19 | Samsung Electronics Co., Ltd. | Image forming apparatus, image forming system and file managing method thereof |
| CN104392182A (en) * | 2014-12-09 | 2015-03-04 | 中标软件有限公司 | Method and device for file smashing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100601610B1 (en) * | 1999-04-27 | 2006-07-14 | 삼성전자주식회사 | Method for vertually deleting data stream object, searching method, recovering method, method for permanently deleting thereof, and recording medium storing additional infomation for recovering data stream objects divided by vertual deletion |
| KR100618966B1 (en) * | 1999-05-15 | 2006-09-01 | 삼성전자주식회사 | Method for vertually deleting data stream object, method for recovering thereof, method for faciliating permanently deleting data stream object vertually deleted, and recording medium storing infomation for recovering or permanently deleting data stream object vertually deleted |
| EP1087400A1 (en) * | 1999-09-24 | 2001-03-28 | Deutsche Thomson-Brandt Gmbh | Fast DVD program chain access |
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2003
- 2003-12-19 CN CNB2003101095513A patent/CN100395840C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8204918B2 (en) | 2007-08-30 | 2012-06-19 | Samsung Electronics Co., Ltd. | Image forming apparatus, image forming system and file managing method thereof |
| CN104392182A (en) * | 2014-12-09 | 2015-03-04 | 中标软件有限公司 | Method and device for file smashing |
| CN104392182B (en) * | 2014-12-09 | 2018-06-22 | 中标软件有限公司 | A kind of method and apparatus of shredding documents |
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| CN100395840C (en) | 2008-06-18 |
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Granted publication date: 20080618 Termination date: 20121219 |