EP3426492A1 - Procédé de vérification du calage d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression - Google Patents

Procédé de vérification du calage d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression

Info

Publication number
EP3426492A1
EP3426492A1 EP17710508.7A EP17710508A EP3426492A1 EP 3426492 A1 EP3426492 A1 EP 3426492A1 EP 17710508 A EP17710508 A EP 17710508A EP 3426492 A1 EP3426492 A1 EP 3426492A1
Authority
EP
European Patent Office
Prior art keywords
printing
printed
cylinder
register
rotary
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
Application number
EP17710508.7A
Other languages
German (de)
English (en)
Other versions
EP3426492B1 (fr
Inventor
Florian BUMM
Steffen Fischer
Sebastian Franz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koenig and Bauer AG
Original Assignee
Koenig and Bauer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koenig and Bauer AG filed Critical Koenig and Bauer AG
Publication of EP3426492A1 publication Critical patent/EP3426492A1/fr
Application granted granted Critical
Publication of EP3426492B1 publication Critical patent/EP3426492B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0036Devices for scanning or checking the printed matter for quality control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F11/00Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination
    • B41F11/02Rotary presses or machines having forme cylinders carrying a plurality of printing surfaces, or for performing letterpress, lithographic, or intaglio processes selectively or in combination for securities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/02Conveying or guiding webs through presses or machines
    • B41F13/025Registering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/14Registering devices with means for displacing the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F13/00Common details of rotary presses or machines
    • B41F13/08Cylinders
    • B41F13/10Forme cylinders
    • B41F13/12Registering devices
    • B41F13/16Registering devices with means for displacing the printing formes on the cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F27/00Devices for attaching printing elements or formes to supports
    • B41F27/005Attaching and registering printing formes to supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0009Central control units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F33/00Indicating, counting, warning, control or safety devices
    • B41F33/0081Devices for scanning register marks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/02Cleaning arrangements or devices for forme cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F35/00Cleaning arrangements or devices
    • B41F35/06Cleaning arrangements or devices for offset cylinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90Register control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2213/00Arrangements for actuating or driving printing presses; Auxiliary devices or processes
    • B41P2213/90Register control
    • B41P2213/91Register control for sheet printing presses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2233/00Arrangements for the operation of printing presses
    • B41P2233/10Starting-up the machine
    • B41P2233/13Pre-registering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2235/00Cleaning
    • B41P2235/10Cleaning characterised by the methods or devices
    • B41P2235/26Spraying devices

Definitions

  • the invention relates to a method for checking a registration of printed images to be printed on two opposite sides of a printing material according to the preamble of claim 1.
  • Printed products it is necessary to the registration of printed images of a in the rotary printing machine on both sides, d. H. on two opposite sides of printed substrate to check.
  • This test especially in the production of expensive, z. B. in value printing or high-quality packaging printing to be produced printed products is necessary, at least when setting up the rotary printing machine, ie before the rotary printing press in production, d. H. goes into their production printing, which involved in setting up the production process components of the rotary printing press in their interaction are set such that waste due to lack of register is avoided as possible.
  • the term register is understood here to be a matching of printed on the front and back of the substrate printed images. This means that printed on the two opposite sides of the substrate printed images in terms of their relative position to each other preferably taking into account previously defined tolerances in one
  • the relation which relates to the relative position of printed images printed on both sides of the printing substrate consists, for example, of B. in that these printed images as congruent or complement each other to a single geometric figure or z. B. separated in their respective position from each other in a z. B. are arranged by the setpoint predetermined fixed distance from each other.
  • the printed images can z. B. be designed as any geometric figures or picture elements or ornaments or as characters or as symbols or as a pagina or as a complete type mirror.
  • the printed image may be a security feature z. B. a banknote or other value document. This security feature is z. B. such that on the front and back at one point of the bill or the
  • Security features are preferably in a so-called
  • the printing material is preferably designed as at least one printed sheet and consists for. B. of paper, cardboard or cardboard.
  • Carrier material has superimposed patterns, the two patterns complement each other in register-accurate arrangement to a complete picture.
  • Reversing passers known in a printed on both sides sheet, in which a first registration element on a recto printing side and a second registration element on a reverse side of the sheet illuminated and the illuminated passer elements are comparable with respect to their position to each other, with a recording for
  • DE 199 45 979 C1 discloses a device for measuring measuring marks on a printed product upper side and a printed product lower side in relation to each other and to a printed product edge, consisting of two transducers, each associated with one printing material side, at least one reference mark carrier and a clamping device, wherein the Clamping device consists of two clamping elements, wherein the clamping elements are mounted rotatably to each other about a common bearing axis of a bearing, wherein the clamping elements in the bearing axis each have a longitudinal gap opening, the folded form a nip, wherein the printed product can be inserted into this nip and by turning the
  • Clamping elements can be fixed and the measuring marks including the printed product edge in the region of the longitudinal gap opening.
  • JP H05 254 105 A there is known a register mark inspecting apparatus which inspects a positional relationship between register marks on a front side and a back side of a printed product, wherein the
  • Register mark inspection device has two lenses, each of which generates an image of the register marks on the front and the back of the printed product and which are arranged opposite one another.
  • DE 103 22 547 A1 discloses a method for determining and correcting register deviations in sheets printed on both sides in sheet-fed printing presses with a measuring device for sheet control having a measuring table and a measuring head movable in two dimensions parallel to the measuring table, the measuring table detecting vertical and horizontal sheet stops outside the sheet maximum
  • Sheet format and the positioning of the movable measuring head can detect the position of measuring points on the sheet with an accuracy of 1/100 mm, with the following steps:
  • EP 2 447 071 A1 discloses a page register correcting apparatus having a register correcting unit capable of correcting register movement of a fiber web through each of plural printing units, and a fan correcting unit capable of correcting a width of the fiber web placed in one Width direction is stretched, wherein the side register correction device comprises: a) a
  • a register detecting and estimating unit capable of estimating and detecting a register correction amount by the register correcting unit based on at least two register marks printed on the fiber web by each of the printing units when plural printing units are in response to a traveling fiber path for making a correction the register correction unit and the
  • Print fan correction unit b) a register correction control unit capable of automatically updating the register correction unit in real time based on the
  • Fan correction control unit which is able to automatically adjust the
  • US 5 036 763 A is a convertible multi-color printing machine for perfecting, in particular of banknotes, known with two substantially identically constructed halves, each a first cylinder, one against this pressed image transfer cylinder, a second cylinder designed as a rubber cylinder, which is adjustable between a compressed against the first cylinder offset printing position and a spaced from this collective pressure position, several standing in contact with this blanket cylinder convertible, formed in the offset printing position as offset plate cylinder and in the collective pressure position as a color selection cylinder , each of an inking unit einstärbbare cylinder, a rubber cylinder associated with the adjustable collective plate cylinder, which is penetraterückbar in the offset printing position of the blanket cylinder in an inoperative position and in the
  • Picture transfer cylinder cooperates, and colored in at least one of the machine halves an additional printing unit with one of its own inking
  • Pressure gap form that in the offset printing position, the pressed against each other printing and blanket cylinder between them form a second printing gap, wherein the paper to be printed first wraps around the one printing cylinder in one sense and partially after passing through the gap between the two printing cylinders the other pressure cylinder in the other sense wraps around, wherein the printing gaps are passed in both halves of the machine under pressure first one, then the other side of the paper, and wherein the plate cylinder of the additional printing unit inking the image transfer cylinder.
  • the invention has for its object to provide a method for testing a
  • the achievable with the present invention consist in particular in that an examination of the registration of on two opposite sides of a
  • Printing material printed images without the aid of a print-external reference is enabled.
  • printed images provided for opposite sides of the printing material can also be checked directly and directly by viewing the same side of the printing material or by simultaneously recording these printed images in the same photographic image. Therefore, the proposed method is also suitable for substrates with low transparency.
  • Embodiment can be seen.
  • Figure 1 is a printing unit of a rotary printing machine without substrate.
  • FIG. 2 shows the printing unit of FIG. 1 with a printing material
  • Fig. 3 is a rotary printing machine using the invention.
  • Fig. 1 and Fig. 2 show an example each schematically and greatly simplified
  • cooperating, ie against each other employed printing cylinder 02; 03 has.
  • the preferably not assigned by one of the rotary printing press shown control station from remotely operated or at least remotely operable printing unit 01 has for each of the two cooperating printing cylinder 02; 03 each at least at least one inking unit (not shown in FIGS. 1 and 2) and
  • each of the two cooperating printing cylinder 02; 03 which are then each formed as a transfer cylinder or as a blanket cylinder, each associated with at least one forme cylinder (not shown in FIGS. 1 and 2).
  • each of the two cooperating printing cylinder 02; 03 is preferably also a washing device 04; 06 provided, with which each of the printing cylinder 02; 03 each of ink can be cleaned.
  • Each printing cylinder 02; 03 can each transfer at least one print image on a substrate 07 ( Figure 2), wherein in the circumferential direction of each printing unit cylinder 02; 03 each preferably several print images can be arranged one behind the other.
  • each printing cylinder 02; 03 each have multiple print images next to each other.
  • the respective print images can be monochrome or multicolored.
  • the respective direction of rotation of each printing cylinder 02; 03 is indicated in the figures in each case by a directional arrow.
  • a transport direction T provided for the transport of the printing substrate 07 by the printing unit 01 is indicated by a directional arrow (FIG. 2).
  • FIG. 2 z. B. in the continuous printing of the rotary printing machine, the first page of the printing material 07, z. B. whose front printed by means of the first printing cylinder 02 and the first side opposite the second side of the printing substrate 07, z. B. its
  • the reverse side is printed in the printing process by means of the second printing cylinder 03 interacting with the first printing cylinder 02.
  • the printing unit 01 of the rotary printing press is thus suitable for opposite sides of the
  • Printing material 07 ie to print in a simultaneous printing process.
  • a method is proposed with the following method steps:
  • first a print image is printed from the first printing cylinder 02 to the second printing cylinder 03 by the first inked with at least one printing ink
  • Printing cylinder 02 is employed in a contact with the second printing cylinder 03, so that during a z. B. triggered at the control center rotation of the juxtaposed printing cylinder 02; 03 one of the first
  • Jacket surface of the second printing cylinder 03 is transmitted. Thereafter, the substrate 07, z. B. a single sheet or a sequence of several
  • Printing cylinder 03 is printed in a continuous printing of the rotary printing machine to be printed image on the same side of the printing material 07. Subsequently, these two are printed together on the same side of the substrate 07
  • the specified tolerances are usually in the range of significantly less than 1
  • the relative position of the printing press to be printed in the continuous printing of the rotary printing press on both sides of the printing substrate 07, but to test its register accuracy but jointly printed on the same side of the printing material 07 relationship exists z. B. in that these printed images as congruent or complementary to each other to a single geometric figure or z. B. separated in their respective position from each other in a z. B. are arranged by the setpoint predetermined fixed distance from each other.
  • a deviation, in particular beyond the previously defined tolerances, from the setpoint value specified for this ratio has the effect of reducing the quality.
  • a detected deviation can also z. B. by means of the optical system to determine from the measured value at least one manipulated variable for setting the rotary printing press.
  • the optical system has at least one detection device z. B. in the form of a camera and i. d. R. a lighting device and a particular digital
  • Image processing device for the evaluation of the at least one
  • Detecting means recorded photographic image of the relevant printed image or the relevant printed images.
  • the tested register accuracy of the printing press to be printed on the opposite sides of the printing substrate 07 during continuous printing of the rotary printing press but jointly printed on the same side of the printing substrate 07 is found to be good, preferably at least for the second printing cylinder 03 to which a printed image was transmitted from the first printing cylinder 02, in particular before a start of the production of the
  • Rotary printing machine for the purpose of removing the printed image transferred to it a cylinder washing, by the this second printing cylinder 03 associated Washing device 06 automatically or manually z. B. is operated from the control room.
  • both printing cylinder 02; 03 washed by their respective washing device 04; 06 is actuated.
  • Rotary printing machine is preferably repeated until the registration is found to be good.
  • Substrate 07 to print to check their registry but has resulted in common printed on the same side of the substrate 07 printed images of the respective target value. It is preferably provided that at least the second printing group cylinder 03, to which a printed image has been transferred from the first printing cylinder 02, is washed after each registration check.
  • the printing unit 01 is z. B. Part of the following with reference to FIG. 3 exemplified preferably used in the value printing rotary printing press.
  • the printing unit 01 has, in a cooperative arrangement, the first printing cylinder 02 and the second printing cylinder 03, wherein the first printing cylinder 02 z. B. for the Perfecting and the second printing cylinder 03 z. B. is used for the perfecting.
  • the printing cylinder 02; 03 can be a through the nip between the first Printing cylinder 02 and the second printing cylinder 03 guided substrate 07, which is designed in particular as a sheet, simultaneously, so be printed on both sides simultaneously.
  • FIG. 3 The example shown in FIG. 3
  • Rotary printing machine is z. B. formed as a multi-color offset rotary printing machine. Therefore, the two printing cylinder 02; 03 each as one
  • Transfer cylinder in particular each formed as a blanket cylinder.
  • this exemplified printing unit 01 both the z. B. for the
  • the form cylinder 1 1 to 14; 16 to 19 are each referred to as a plate cylinder.
  • To each of the form cylinder 1 1 to 14; 16 to 19 are each at least one inking unit 21 to 24; 26 to 29 employed or at least employable.
  • each inking unit 21 to 24; 26 to 29 each also a dampening unit 31 to 34; 37 to 39, which is needed in a wet offset printing process.
  • the parameterdruck folken inking units 21 to 24 and possibly also the shock-pressure side dampening units 31 to 34 are z. B. arranged in a movable frame carriage 61.
  • the rebate-side inking units 26 to 29 and, where appropriate, the offset-side dampening units 37 to 39 z. B. be arranged in a movable frame carriage 62, wherein both frame carriage 61; 62 are movable apart in each case in the opposite direction and in each direction facing each other zufahrbar, said rack carriage 61; 62 to the stationary arranged printing unit 01 each can be adjusted or turned off.
  • At the periphery of the two printing cylinder 02; 03 are consecutively several, z. B. each arranged three blankets.
  • the form cylinder 1 1 to 14; 16 to 19 have at their respective perimeter z. B. only a single printing plate, wherein a directed in the circumferential direction printing form length each preferably corresponds with a directed in the circumferential direction blanket length.
  • a blanket washing device washing device 04 is employed or at least unemployable.
  • the second printing cylinder 03 is the particular as a blanket washing device washing device 04
  • Blanket washer trained washer 06 employed or at least employable.
  • an inspection unit 08 is preferably provided, wherein this inspection unit 08 is designed in particular as an optical system with a detection device in the form of a camera and a lighting device.
  • the inspection unit 08 is z. B. also for testing the inspection unit 08
  • a provided by a sheet feeder 41 sheet is using a z. B. as a conveyor belt formed first conveyor 42 in the transport direction T of a sheet fed 43, wherein the sheet metal system 43 introduces the relevant sheet in the printing unit 01.
  • the printing unit 01 accepts the relevant sheet from the sheet metal plant 43 z. B. a first transfer drum 44.
  • the recto printing side of the relevant printing sheet is first coated with at least one printing ink, preferably with several, z. B. is printed with two inks, each z. B. by irradiation with ultraviolet light (UV) to be dried.
  • UV ultraviolet light
  • a (counter) pressure cylinder 46 is provided in cooperation with the first transfer drum 44, to which a designed as a blanket cylinder transfer cylinder 47 is employed or at least employable.
  • a blanket cylinder transfer cylinder 47 is employed or at least employable.
  • this transfer cylinder 47 z. B. one or more each designed as a plate cylinder form cylinder 48; 49 employed or at least employable.
  • Forme cylinder 48; 49 are each of a further inking unit 51; Colored 52, whereby these inking units 51; 52 in turn, if necessary, in each case with a dampening unit 53; 54 can interact.
  • a specially designed as a blanket washing device washing device 56 may also be provided for the optionally provided transfer cylinder 47.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quality & Reliability (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Rotary Presses (AREA)
  • Printing Methods (AREA)

Abstract

L'invention concerne un procédé de vérification du calage d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression (07), procédé dans lequel la première face du substrat d'impression (07) est imprimée dans une machine d'impression rotative au moyen d'un premier cylindre d'impression (02) et dans lequel la seconde face, opposée à la première face, du substrat d'impression (07) est imprimée dans le processus d'impression au moyen du second cylindre d'impression (03) coopérant avec le premier cylindre d'impression (02). Une image d'impression est imprimée sur le second cylindre d'impression (03) par le premier cylindre d'impression (02). Le substrat d'impression (07), en contact avec les deux cylindres d'impression (02 ; 03) coopérant l'un avec l'autre, est ensuite imprimé en raison du fait que l'image d'impression, imprimée sur le second cylindre d'impression (03), est imprimée sur la même face du substrat d'impression (07) conjointement avec une même image d'impression, ou une autre, à imprimer au moyen du second cylindre d'impression (03) à chaque fois dans une impression continue de la machine d'imprimer rotative. Ces images d'impression (07), imprimées conjointement sur la même face du substrat d'impression, sont ensuite vérifiées quant à leur calage.
EP17710508.7A 2016-03-11 2017-03-07 Procédé de vérification du maintien du registre d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression Active EP3426492B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016204072.3A DE102016204072B4 (de) 2016-03-11 2016-03-11 Verfahren zur Prüfung einer Registerhaltigkeit von auf zwei gegenüberliegenden Seiten eines Bedruckstoffes zu druckenden Druckbildern
PCT/EP2017/055317 WO2017153404A1 (fr) 2016-03-11 2017-03-07 Procédé de vérification du calage d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression

Publications (2)

Publication Number Publication Date
EP3426492A1 true EP3426492A1 (fr) 2019-01-16
EP3426492B1 EP3426492B1 (fr) 2019-10-30

Family

ID=58267110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17710508.7A Active EP3426492B1 (fr) 2016-03-11 2017-03-07 Procédé de vérification du maintien du registre d'images d'impression à imprimer sur deux faces opposées d'un substrat d'impression

Country Status (6)

Country Link
US (1) US10308012B2 (fr)
EP (1) EP3426492B1 (fr)
JP (1) JP6567200B2 (fr)
CN (1) CN108778749B (fr)
DE (1) DE102016204072B4 (fr)
WO (1) WO2017153404A1 (fr)

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DE102018104534B3 (de) * 2018-02-28 2019-04-25 Baldwin Technology Gmbh Sprührohr und druckmaschinenwalzen-reinigungsvorrichtung mit einem sprührohr
CN117584641B (zh) * 2024-01-19 2024-03-29 山东盈科杰数码科技有限公司 一种高速轮转喷墨印刷机正背套印精度的控制方法和装置

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Also Published As

Publication number Publication date
DE102016204072A1 (de) 2017-09-14
US20190084293A1 (en) 2019-03-21
EP3426492B1 (fr) 2019-10-30
CN108778749A (zh) 2018-11-09
DE102016204072B4 (de) 2018-05-03
JP6567200B2 (ja) 2019-08-28
JP2019507696A (ja) 2019-03-22
WO2017153404A1 (fr) 2017-09-14
CN108778749B (zh) 2019-10-25
US10308012B2 (en) 2019-06-04

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