EP0980314A2 - Verfahren und vorrichtung zur montage biegsamer platten, z.b. druckplatten - Google Patents
Verfahren und vorrichtung zur montage biegsamer platten, z.b. druckplattenInfo
- Publication number
- EP0980314A2 EP0980314A2 EP98933488A EP98933488A EP0980314A2 EP 0980314 A2 EP0980314 A2 EP 0980314A2 EP 98933488 A EP98933488 A EP 98933488A EP 98933488 A EP98933488 A EP 98933488A EP 0980314 A2 EP0980314 A2 EP 0980314A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- insertion slide
- plate
- leg
- slide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003780 insertion Methods 0.000 claims description 56
- 230000037431 insertion Effects 0.000 claims description 56
- 239000000725 suspension Substances 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1262—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means
- B41F27/1268—Devices for attaching printing elements or formes to supports for attaching flexible printing formes without tensioning means by self-locking or snap-on means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F27/00—Devices for attaching printing elements or formes to supports
- B41F27/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
- B41F27/1206—Feeding to or removing from the forme cylinder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/49547—Assembling preformed components
- Y10T29/49549—Work contacting surface element assembled to core
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49544—Roller making
- Y10T29/49547—Assembling preformed components
- Y10T29/49549—Work contacting surface element assembled to core
- Y10T29/49551—Work contacting surface wound about core
Definitions
- the invention relates to a device for assembling flexible plates according to the preamble of claim 1 and an associated method.
- JP 62-169646 A discloses a device for inserting a rear end of a flexible pressure plate into a clamping device on a plate cylinder.
- a cylinder with fastening supply slots for printing plate or carrier plates is known, the ends of which are bent at an acute or obtuse angle.
- the mounting slot runs along a secant through the cylindrical cross-section of the cylinder, i. H. it runs diagonally to the diameter.
- EP 07 10 556 A1 shows a device for mounting a flexible plate with a leading hook leg bent in front and a trailing obtuse-angled hanging leg in one
- the invention has for its object to provide a method and an associated device for assembling with egg nticianeabkantungen flexible plates on a cylinder with a mounting slot of a rotary printing press.
- the advantages that can be achieved with the invention are, in particular, that a safe supply of an egg-shaped bend at the end of a printing plate is ensured even in fastening slots of a cylinder of a rotary printing press that are difficult to access manually.
- the device consists of a few mechanical components and is used both for hanging a front leg and for hanging a rear leg of a pressure plate into the fastening slots of a cylinder. It is also possible to arrange several pressure plates on the circumference and several pressure plates over the axial length of the cylinder.
- FIG. 1 different working positions of the device according to the invention in schematic shear
- FIG. 5 representation when mounting a pressure plate and without showing actuators
- Fig. 6 is a view K of the right side of the device of Figure 1, but with actuators.
- Fig. 7 shows a working position analogous to Fig. 1 to 5 according to a variant of the method.
- a cylinder 1, e.g. B. a plate or
- Rubber blanket cylinder of a rotary printing machine is used to hold e.g. B. flexible pressure plates 2 with axially extending, extending from a lateral surface 3 of the cylinder 1 into an interior of the cylinder 1 Be mounting slots. Accordingly, a flexible plate 2, z. B. pressure plate or backing plate, with vu Ikani s i e rtem rubber blanket.
- the plates 2 have z. B. a thickness of 0.3 mm.
- the plate 2 is at its beginning 7 and at its end 8 each with a - but at least one - front and a rear egg hanging edge 9; 11, also "leading" (9) or “trailing” (11) Egg folding called called, provided.
- the opening angle beta of the "trailing" bevel 11 is obtuse. The sum of both angles is 180 ° or approximately 180 °. The trailing end of the plate 2 does not have to be folded. It is then held on the jacket 3 in a different way.
- the attachment clause 4; In the example shown, 6 is a center line that extends in the axis-parallel direction and extends into the interior of the cylinder 1 over the length of the cylinder 1
- the mounting slot 4 is inclined at an acute angle gamma (z. B. 35 °) to the jacket 3 of the cylinder 1 against its direction of rotation H (Fig. 1).
- the angle gamma is the included angle between one through the intersection 15 of one of the fastening slot 4; 6 spanned level 10 (A) with a tangent T.
- the intersection point 15 is at the same time the point that extends over half the length of the virtual arc via the insertion opening of the fastening slot 8; 9 lies on the circular line of the cylinder 1 and is touched by the tangent T.
- the opening angles Alpha and Beta of the hooked edges 9; 11 of the plate 2 are the angle of inclination gamma of the mounting slot 4; 6 adjusted.
- the flexible plate 2 On the cylinder 1 is a device for mounting (and dismantling) the flexible plate 2, for. B. arranged pressure plate, which consists essentially of two on the lateral surface 3 of the cylinder 1 adjustable front (14) and rear (16) insertion slides.
- the insertion slide 14; 16 can be moved back and forth along the inclined plane 10 (A) (FIG. 1) in the direction of the jacket 3. Level 10 and level A coincide in the plate production.
- the insertion slide 14; 16 are arranged back to back (guide surface 22 on guide surface 23) so that they can slide against one another. They extend over the entire length of the fastening slot 8; 9th
- the bottom 17; 18 is concavely curved in a radius which is adapted to the radius r of the cylinder 1.
- rubber suction cups are attached, each only slightly over the bottom 17; 18 stand out.
- Each of the insertion slide 14; 16 has one the other insertion slide 16; 14 facing guide surface 22 (back); 23 (back) for guiding the folded ends 7; 8 of the plate 2 when it is inserted into the fixing bracket 4.
- the guide surfaces 22; 23 can also be on a non-detentable slide which is located between the insertion slides 14; 16 is located and can be operated separately.
- each egg works for slide 14; 16 synchronously with a number of pressure rollers 24; 26 together, one or more, e.g. B. two for each plate end.
- they reach the bottom 17; 18 of the insertion slide 14; 16 the outer surface 3 of the cylinder 1.
- the pressure roller 24; 26 the outer surface 3 still before the bottom 17; 18.
- the bracket 27; 28 can e.g. B. advantageously designed as a leaf spring or connected to a leaf spring 25.
- each insertion slide 14; 16 along the plane A is each insertion slide 14; 16 at both ends with a linear drive 32; 33 provided (Fig. 6).
- the linear drive 32; 33 is z. B. from two series-connected double-acting working cylinders 34, 36.
- the end of the piston rod of the working cylinder 36 is positively connected to the end plate of the second working cylinder 34.
- the end 37 of the piston rod of the second working cylinder 34 is connected to the front side 29 of the insertion slide 14 or to the front side 31 of the insert 16.
- Each infeed slide 14 and 16 has 38 bushings 42 on its left and right end faces. They serve as a guide on a side guide if necessary. 43.
- the two on the outer sides 29 and 31 of the insertion slide 14; 16 arranged linear drives 32 and 33 work synchronously per insertion slide 14 and 16,
- the insertion slide 14; 16 can each have different positions C; D; E; Take P:
- the undersides 17 and 18 touch the cylinder jacket 3. If a plate 2 already lies on the jacket surface 3, the stroke g of the cylinder 36 is limited.
- the position P is so far away from the casing 3 that a clamped plate 2 or carrier plate with a rubber blanket are not touched.
- the length of a hanging leg 12; 13 of a plate 2 corresponds at most to the stroke length f of the cylinder 34.
- the linear drive 32; 33 also consist of a motor-driven threaded spindle with an angle encoder.
- the insertion slide 14; 16 instead of linear guides 42; 43 can also be fastened on both sides to long swivel arms, each of which is not shown, such as cylindrical, which are tightly mounted 11 and can be actuated by means of working cylinders. This also results in a reciprocating motion. The movement runs over a short distance of a circular curved path of large diameter, that is to say approximately parallel to that of the fastening slot 4; 6 spanned level 10 (A).
- At least one plunger 44 which can be moved back and forth in the direction of the rear insertion slide 16, is fastened to the front 29 of the front insertion slide 14 after an execution variation. It is driven by a linear motion motor 46, e.g. B. a pneumatic cylinder or an electr. Solenoid moves (Fig. 4 and 6).
- the plunger 44 is passed through a through hole in the front egg n eu ri shi ebe rs 14 and protrudes so far in the extended state that it touches the trailing suspension leg 13 at some distance can.
- Motors for rotary movements e.g. B. a gear motor can be used to drive a cam.
- the insertion slide 14; 16 is expediently formed p lat t-shaped (FIG. 6); but it can also be designed like a railing.
- a method of assembling a flexible plate 2 is as follows.
- the cylinder 1 is positioned in an assembly position, i.e. H. the center line 10 of the fastening lens 4 is aligned with the guide surface 23 along the plane A of the insertion slide 16 (FIG. 1).
- the front insertion slide 14 is brought into its uppermost position C, the rear insertion slide 16 is brought into its lowest position E.
- An operator or device slides along a z. B. horizontal, height-adjustable guide 47 a plate 2 until the bent leg 12 on the guide surface 23 of the E nf üh r seh i ebe rs 16 is present.
- the front suspension leg 12 is inserted into the fastening slot 4 by the front insertion slide 14 via its underside 17.
- the insertion slide 14; 16 are after the insertion of the leading leg 12 in positions P; E (Fig. 2).
- both egg ners 14; 16 back to its uppermost position C; C brought (Fig. 3).
- the cylinder 1 then rotates in the direction of production H.
- the spring-loaded pressure rollers 24 press; 26, the plate 2 against the outer surface 3.
- the plate 2 is rolled onto the cylinder 1 (FIG. 3).
- another pressing element for. B. a pivotable roller, for. B. inking roller, find application.
- the trailing end 8 of the plate 2 comes close to the insertion slide 14; 16 or in the vicinity of the fastening slot 4.
- the trailing hanging leg 13 protrudes from the lateral surface 3 of the cylinder 1.
- the cylinder 1 rotates until the center line 10 of the fastening slot 4 is aligned with the guide surface 22 of the front insertion slide 14, ie lies on the plane A.
- the plunger 44 is activated so that the plunger 44 presses against the hanging leg 13 running in the direction of the second insertion slide 16 located in position C.
- the insertion slide 14 is moved into its lowermost position E.
- the plunger 44 pulls during this movement gradually return to its starting position (Fig. 4).
- the rear hanging leg 13 is in the meantime in contact with the guide surface 22 of the front insertion slide 14 (FIG. 4).
- the rear insertion slide 16 is now moved from position C to position P, and presses on the bevel of the leg 13 of the plate 2 and pushes it into the mounting position 6 (FIG. 5).
- a device for releasing plates with bent ends can also be arranged at the base of the fastening slot 4.
- Such a device in is described in DE 195 09 562 C1 and has one from inside the cylinder 1 in the mounting slot 4; 6 insertable leaf-shaped gene lifters.
- the procedure is the assembly of a plate 2 of
- Insertion slide 16 is present. Both stand there
- Insertion slide 14; 16 in position C (Fig. 7).
- the first insertion slide 14 is moved in the direction of the lateral surface 3 in position E and the cylinder 1 is subsequently rotated backwards, contrary to its product direction, until the center line 10 of the fastening slot 6 is aligned with the guide surface 22 (not shown).
- the rear suspension leg 13 is pushed along the guide surface 22 of the first insertion slide 14 into the fastening slot 6 by means of the second insertion slide 16 (analogous to the illustration in FIG. 5).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19719559A DE19719559A1 (de) | 1997-05-09 | 1997-05-09 | Verfahren und Vorrichtung zur Montage biegsamer Druckplatten |
DE19719559 | 1997-05-09 | ||
PCT/DE1998/001294 WO1998051499A2 (de) | 1997-05-09 | 1998-05-09 | Verfahren und vorrichtung zur montage biegsamer platten, z.b. druckplatten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0980314A2 true EP0980314A2 (de) | 2000-02-23 |
EP0980314B1 EP0980314B1 (de) | 2001-11-28 |
Family
ID=7829065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98933488A Expired - Lifetime EP0980314B1 (de) | 1997-05-09 | 1998-05-09 | Verfahren und vorrichtung zur montage biegsamer platten, z.b. druckplatten |
Country Status (7)
Country | Link |
---|---|
US (1) | US6199280B1 (de) |
EP (1) | EP0980314B1 (de) |
JP (1) | JP3204991B2 (de) |
CN (1) | CN1084254C (de) |
DE (2) | DE19719559A1 (de) |
ES (1) | ES2166171T3 (de) |
WO (1) | WO1998051499A2 (de) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10238177B3 (de) | 2002-08-21 | 2004-02-05 | Koenig & Bauer Ag | Vorrichtung zum Andrücken eines Aufzugs an einen Zylinder einer Druckmaschine mit Hilfe von in Umfangsrichtung des Zylinders voneinander beabstandeten ersten und zweiten Wälzelementen |
US6460457B1 (en) * | 1999-11-22 | 2002-10-08 | Heidelberger Druckmaschinen Ag | Method and device for automatically providing a printing plate to a plate cylinder |
US6615490B2 (en) * | 2000-01-21 | 2003-09-09 | Newell Operating Company | Method of manufacture of paint application |
US6318262B1 (en) * | 2000-02-25 | 2001-11-20 | Agfa Corporation | External drum imaging system |
DE10024329A1 (de) * | 2000-05-17 | 2001-11-22 | Koenig & Bauer Ag | Verfahren und Vorrichtungen zum Andrücken eines Aufzuges auf einen Zylinder |
DE10219073A1 (de) * | 2001-05-23 | 2002-11-28 | Heidelberger Druckmasch Ag | Verfahren und Vorrichtung zum Befestigen einer Druckplatte auf einem Plattenzylinder einer Rotationsdruckmaschine |
EP1440801A3 (de) * | 2001-10-05 | 2006-06-07 | Koenig & Bauer Aktiengesellschaft | Rollenrotationsdruckmaschine |
ATE316001T1 (de) * | 2001-11-28 | 2006-02-15 | Koenig & Bauer Ag | Vorrichtung zum montieren eines an einen zylinder einer druckmaschine herangeführten aufzugs |
US6672209B1 (en) * | 2002-08-06 | 2004-01-06 | Heidelberger Druckmaschinen Ag | Method for magnetically tucking a printing plate into a plate cylinder |
DE10261981A1 (de) * | 2002-08-21 | 2004-03-04 | Koenig & Bauer Ag | Vorrichtung zum Montieren einer Druckform auf einen Formzylinder einer Druckmaschine |
DE10238179B3 (de) * | 2002-08-21 | 2004-01-08 | Koenig & Bauer Ag | Vorrichtung zum Führen eines Aufzugs an einen Zylinder einer Druckmaschine |
DE10247587A1 (de) * | 2002-10-11 | 2004-04-22 | Man Roland Druckmaschinen Ag | Verfahren zur Montage und Demontage flexibler Druckplatten |
EP1435292B1 (de) * | 2003-01-02 | 2006-03-15 | OFFICINE MECCANICHE GIOVANNI CERUTTI S.p.A. | Vorrichtung und Verfahren zum automatischen Zuführen und Abführen von Druckplatten für Zylinder von einer flexographischen Druckmaschine |
US8051774B2 (en) | 2004-04-29 | 2011-11-08 | Goss Graphic Systems Limited | Printing plate module, printing press, and method of mounting plates |
DE102004059338B3 (de) * | 2004-08-16 | 2005-12-22 | Koenig & Bauer Ag | Verfahren und Vorrichtung zum Abspannen mindestens eines Aufzugs von einem Zylinder einer Druckmaschine |
GB2425987A (en) | 2005-05-09 | 2006-11-15 | Goss Graphic Systems Ltd | Printing plate unloading apparatus and method |
GB2428634B (en) * | 2005-08-04 | 2008-09-17 | Goss Graphic Systems Ltd | Printing press |
DE102006050568B3 (de) * | 2006-10-26 | 2008-01-10 | Koenig & Bauer Aktiengesellschaft | Vorrichtung zum Andrücken eines Aufzugs an einen Zylinder |
DE102006059772A1 (de) * | 2006-12-15 | 2008-06-19 | Man Roland Druckmaschinen Ag | Vorrichtung zur Durchführung eines Druckplattenwechsels an einem Formzylinder einer Druckmaschine |
JP4860585B2 (ja) * | 2007-09-19 | 2012-01-25 | 株式会社東京機械製作所 | 刷版装着補助装置 |
JP4651656B2 (ja) * | 2007-11-06 | 2011-03-16 | レンゴー株式会社 | 刷版の自動交換装置 |
JP4651655B2 (ja) * | 2007-11-06 | 2011-03-16 | レンゴー株式会社 | 刷版の装着方法およびその装置 |
GB2457901A (en) * | 2008-02-27 | 2009-09-02 | Goss Graphic Systems Ltd | Method of inserting printing plate into lock-up slots in plate cylinder |
DE102008043725A1 (de) * | 2008-11-13 | 2010-06-02 | Manroland Ag | Vorrichtung und Verfahren zum Wechsel und zur Aufnahme von Druckformen an Rotationsdruckmaschinen |
DE102009052093A1 (de) * | 2008-12-02 | 2010-06-17 | Heidelberger Druckmaschinen Ag | Verfahren und Vorrichtung zum automatischen Zuführen von Druckplatten |
EP2535188B1 (de) * | 2011-06-17 | 2013-12-25 | Lehner GmbH | Montagevorrichtung, Druckmaschine und Verfahren zum Aufbringen einer Druckform auf einen Druckformträger |
WO2016046764A1 (en) * | 2014-09-24 | 2016-03-31 | Bobst Firenze S.R.L. | An apparatus and method for changing a blade of a rotary die cutter, particularly for flexographic printing machines |
DE102015210819A1 (de) * | 2015-06-12 | 2016-12-15 | Koenig & Bauer Ag | Vorrichtung zum Auflegen zumindest eines Aufzugs auf eine Mantelfläche eines Zylinders einer Druckmaschine und ein Verfahren zum Auflegen zumindest eines Aufzugs auf eine Mantelfläche eines Zylinders einer Druckmaschine |
JP2019084738A (ja) * | 2017-11-06 | 2019-06-06 | 三菱重工機械システム株式会社 | 印刷ユニット及び印刷機 |
DE102020209465B3 (de) * | 2020-07-28 | 2021-07-15 | Heidelberger Druckmaschinen Aktiengesellschaft | Druckplatten-Greifsystem |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4727807A (en) * | 1985-09-30 | 1988-03-01 | Tokyo Kikai Seisakusho | Apparatus for automatically mounting and removing printing plates in rotary printing press |
JPS62169646A (ja) * | 1986-01-22 | 1987-07-25 | Mitsubishi Heavy Ind Ltd | 印刷機の版胴における版の尻側端部插入装置 |
ATE130801T1 (de) * | 1989-08-04 | 1995-12-15 | Komori Printing Mach | Druckplattebefestigung für eine bogendruckmaschine. |
JPH05212855A (ja) * | 1992-02-03 | 1993-08-24 | Akiyama Insatsuki Seizo Kk | 印刷機の刷版着脱装置 |
FR2718675B1 (fr) * | 1994-04-18 | 1996-07-12 | Heidelberg Harris Sa | Dispositif d'échange de clichés de machines rotatives à imprimer. |
DE4447088C1 (de) | 1994-11-05 | 1996-02-08 | Koenig & Bauer Albert Ag | Verfahren und Vorrichtung zur Montage einer biegsamen Platte |
EP0710556B1 (de) | 1994-11-05 | 1998-12-30 | Koenig & Bauer Aktiengesellschaft | Verfahren und Vorrichtung zur Montage einer biegsamen Platte |
DE19509562C1 (de) * | 1995-03-16 | 1996-08-14 | Koenig & Bauer Albert Ag | Vorrichtung zum Lösen von Platten von einem Zylinder |
US5678487A (en) * | 1995-11-15 | 1997-10-21 | Heidelberg Harris Inc. | Apparatus for mounting flexible plates in a printing unit |
-
1997
- 1997-05-09 DE DE19719559A patent/DE19719559A1/de not_active Withdrawn
-
1998
- 1998-05-09 CN CN98804943A patent/CN1084254C/zh not_active Expired - Fee Related
- 1998-05-09 ES ES98933488T patent/ES2166171T3/es not_active Expired - Lifetime
- 1998-05-09 DE DE59802241T patent/DE59802241D1/de not_active Expired - Fee Related
- 1998-05-09 US US09/423,301 patent/US6199280B1/en not_active Expired - Fee Related
- 1998-05-09 EP EP98933488A patent/EP0980314B1/de not_active Expired - Lifetime
- 1998-05-09 WO PCT/DE1998/001294 patent/WO1998051499A2/de active IP Right Grant
- 1998-05-09 JP JP54868998A patent/JP3204991B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9851499A2 * |
Also Published As
Publication number | Publication date |
---|---|
DE19719559A1 (de) | 1998-11-12 |
JP3204991B2 (ja) | 2001-09-04 |
EP0980314B1 (de) | 2001-11-28 |
ES2166171T3 (es) | 2002-04-01 |
WO1998051499A2 (de) | 1998-11-19 |
WO1998051499A3 (de) | 1999-05-27 |
CN1084254C (zh) | 2002-05-08 |
US6199280B1 (en) | 2001-03-13 |
DE59802241D1 (de) | 2002-01-10 |
JP2000512932A (ja) | 2000-10-03 |
CN1255089A (zh) | 2000-05-31 |
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