JPH0747386Y2 - Automatic material insertion device for woodworking machines - Google Patents
Automatic material insertion device for woodworking machinesInfo
- Publication number
- JPH0747386Y2 JPH0747386Y2 JP1986083903U JP8390386U JPH0747386Y2 JP H0747386 Y2 JPH0747386 Y2 JP H0747386Y2 JP 1986083903 U JP1986083903 U JP 1986083903U JP 8390386 U JP8390386 U JP 8390386U JP H0747386 Y2 JPH0747386 Y2 JP H0747386Y2
- Authority
- JP
- Japan
- Prior art keywords
- woodworking machine
- elevating
- shelf
- material feeding
- pressing
- 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.)
- Expired - Lifetime
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Description
【考案の詳細な説明】 （産業上の利用分野） 本考案は、木材に各種の加工を施す木工機へ加工材料を
自動的に挿入させる装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a device for automatically inserting a processing material into a woodworking machine that performs various kinds of processing on wood.
（従来の技術） 木材加工業界等において、その加工途中に加工機等の次
工程へ材料を自動搬送する装置が多々提供されている。(Prior Art) In the wood processing industry and the like, there are provided many devices that automatically convey materials to the next step such as a processing machine during the processing.
例えば、特公昭49-35969号公報や、特開昭55-7125号公
報等により知られている。For example, it is known from JP-B-49-35969 and JP-A-55-7125.
これらのものは、リフター上へ板材を多数積載してその
上部のものから一枚ずつ取り出し、次工程のコンベアへ
自動的に供給するものである。These are ones in which a large number of plate materials are stacked on a lifter, taken out one by one from the upper one, and automatically supplied to a conveyor in the next process.
しかしながら、前者の装置は、リフター上の材料の上面
を、排気装置により吸着しながらベルトによって移送す
るものであるため、材料の中間部が孔あき，凹凸のある
ものや、比較的重量のあるもの等は搬送が不能となる。However, in the former device, the upper surface of the material on the lifter is transferred by a belt while being adsorbed by the exhaust device, so that the material has a hole in the middle portion, unevenness, or a relatively heavy material. Etc. cannot be transported.
また、後者の装置は、リフター上の材料の後縁を、コン
ベアに取り付けた鈎状のプッシャーにより押送するもの
であるため、積載された最上材料面とコンベアの取付面
とがほぼ平行に形成されていないと、移送途中にプッシ
ャーが材料縁から外れて移送不能となる。In the latter device, the trailing edge of the material on the lifter is pushed by a hook-shaped pusher attached to the conveyor, so that the uppermost loaded material surface and the attachment surface of the conveyor are formed substantially parallel to each other. Otherwise, the pusher will come off the edge of the material during the transfer, making it impossible to transfer.
また、下層の材料と連れ移動するおそれがあって、前記
した平行精度や安定移動するための機構を付加した装置
は、構造が複雑となって大型化するばかりかコストアッ
プとなる。Further, there is a possibility that the material moves with the material of the lower layer, and therefore the apparatus to which the above-described mechanism for parallel accuracy and stable movement is added becomes complicated in structure and becomes large in size, and the cost increases.
等の様々な問題点を有するものであった。There were various problems such as.
（考案が解決しようとする課題） 本考案は、前記した従来の問題点を解決するためになさ
れたもので、多数の積重み材料を順次に木工機の送材面
に合わせて挿入する操作を機械的に行なわせることによ
り、加工作業の完全な無人化が果たせる木工機用の材料
自動挿入装置を提供することを目的としている。(Problems to be Solved by the Invention) The present invention has been made in order to solve the above-mentioned conventional problems, and it is possible to perform an operation of inserting a large number of stacking weight materials in sequence in accordance with the material feeding surface of a woodworking machine. It is an object of the present invention to provide an automatic material insertion device for a woodworking machine that can be completely unmanned by performing mechanical work.
（課題を解決するための手段） 前記した目的を達成するための本考案の手段は、 木工機の手前に縦ガイドへ昇降自在に支持させて設け、
積載材料が送材方向において前側の一部が突出されて載
置させる昇降棚と、 この昇降棚を積載材料が順次上のものから木工機の送材
面に位置合わせされるように上昇させる昇降手段と、 木工機と昇降棚との間に前記昇降棚から突出した最上段
の材料一側面に対応させて当接するように設け、木工機
側へ一枚ずつ送り出すベルト，ローラ等の送材手段と、 前記送材手段に対応するように木工機と昇降棚との間に
おいて前記昇降棚から突出した最上段の材料他側面に対
設させてその押付面を当接し、前記送材手段との協動に
より最上段の材料のみを挾持する押付手段と、 材料を検知して昇降棚，押付手段等の作動を制御させる
検知器と、 を備えさせた木工機用の材料自動挿入装置の構成にあ
る。(Means for Solving the Problems) Means of the present invention for achieving the above-mentioned object are provided in front of a woodworking machine, supported vertically by a vertical guide,
An elevating shelf on which a part of the front side of the loading material projects in the material feeding direction is placed, and an elevating rack for elevating the elevating shelf so that the loading material is sequentially aligned from the top to the material feeding surface of the woodworking machine. Means, and a feeding means such as a belt or a roller provided between the woodworking machine and the elevating shelves so as to abut one side of the uppermost material protruding from the elevating shelves, and sending out one by one to the woodworking machine side. And, between the woodworking machine and the elevating shelf so as to correspond to the material feeding means, the pressing surface is brought into contact with the other side surface of the uppermost material protruding from the elevating shelf so as to abut, and the material feeding means The construction of an automatic material insertion device for woodworking machines equipped with a pressing means that holds only the uppermost material by cooperation, and a detector that detects the material and controls the operation of the lifting shelf, pressing means, etc. is there.
（作用） 前記のように構成される本考案の木工機用の材料自動挿
入装置は、以下に述べる作用を奏する。(Operation) The material automatic insertion device for a woodworking machine of the present invention configured as described above has the following operation.
下限に降下している昇降棚の上へ、送材方向において、
多数の材料をその前部が突出するように載置する。In the feeding direction, onto the lifting shelf that is descending to the lower limit,
A number of materials are placed with their fronts protruding.
そして、この昇降棚を昇降手段により上昇させて検知器
により材料位置を検出すると、最上部の材料の下面が木
工機における送材面に一致して、該昇降棚が停止する。Then, when the elevating shelf is raised by the elevating means and the material position is detected by the detector, the lower surface of the uppermost material coincides with the material feeding surface of the woodworking machine, and the elevating shelf stops.
このとき、最上部の材料における両側端面は、送材手段
の送り面と押付手段の押付部材にそれぞれ対応する。At this time, both end surfaces of the uppermost material correspond to the feeding surface of the material feeding means and the pressing member of the pressing means, respectively.
そして、送材手段を駆動手段により駆動すると共に、押
付手段における押付部材が進退手段により材料の他側端
面へ向かって繰り出される。Then, the material feeding means is driven by the driving means, and the pressing member of the pressing means is fed toward the other end face of the material by the advancing / retreating means.
したがって、この最上部の材料には、送材手段と押付手
段とにより挟まれて、該移送手段により加工機の送材面
へ向かって送り出される。Therefore, the uppermost material is sandwiched by the material feeding means and the pressing means, and is fed by the feeding means toward the material feeding surface of the processing machine.
昇降棚上の材料がなくなると検知器により昇降棚が上昇
し、最上部の材料の下面が木工機における送材面に一致
する位置において、該昇降棚が停止し、前記した作動が
再び行なわれる。When there is no more material on the elevating shelf, the detector elevates the elevating shelf, and at the position where the lower surface of the uppermost material coincides with the feeding surface of the woodworking machine, the elevating shelf stops and the above-described operation is performed again. .
このような操作が昇降棚上の材料に対してそれぞれ繰り
返されるもので、積重材料を上のものから一枚ずつ取っ
て木工機へ挿入する動作が自動的に確実に行なわれる。Such an operation is repeated for each of the materials on the elevating shelf, and the operation of picking the stacked materials one by one from the above and inserting them into the woodworking machine is automatically and reliably performed.
（実施例） 次に本考案に関する木工機用の材料自動挿入装置の一実
施例を図面に基づいて説明する。(Embodiment) An embodiment of an automatic material inserting device for a woodworking machine according to the present invention will be described with reference to the drawings.
第１図〜第３図において１はフレームで、木工機２にお
ける送材面ａの手前側に配置し、送材面ａの一側に対応
する部分に縦ガイド３を設け、この縦ガイド３へ取付部
４に軸支した二個のローラ5,5を係合してあって、軽快
な昇降作動ができるようにした昇降棚６を支持させてあ
る。In FIGS. 1 to 3, reference numeral 1 denotes a frame, which is arranged on the front side of the material feeding surface a in the woodworking machine 2 and is provided with a vertical guide 3 at a portion corresponding to one side of the material feeding surface a. A pair of rollers 5, 5 axially supported by the mounting portion 4 are engaged with each other to support an elevating shelf 6 capable of performing a light elevating operation.
この昇降棚６には、モータを内蔵するライブローラ７を
並列すると共に、縦ガイド３側に、積重ね材料の一側を
当てて位置を決める定規８が設けられている。The elevator rack 6 is provided with a live roller 7 having a built-in motor in parallel, and a ruler 8 for determining the position by applying one side of the stack material to the vertical guide 3 side.
なお、この昇降棚６には、多数の方形板状の材料が、第
１図に示すように、送材方向においてその前部が突出す
るように載置されているもので、この突出部を後記する
送材手段Ｂと押付手段Ｃとにより挟持して、木工機２へ
材料を搬出するものである。It is to be noted that, as shown in FIG. 1, a large number of rectangular plate-shaped materials are placed on the elevating shelf 6 so that their front portions project in the material feeding direction. The material is carried out to the woodworking machine 2 by being sandwiched by the material feeding means B and the pressing means C which will be described later.
９は前記した縦ガイド３の上部に軸10により支持させた
鎖車で、昇降棚６の取付部４に下端を結着したチェーン
11を掛け、該鎖車８へモータ等の昇降手段12の回転を、
チェーン13により伝達させて、モータ12を回転させると
き、昇降棚６が上昇されるようにしてある。Reference numeral 9 is a chain wheel which is supported on the upper portion of the vertical guide 3 by a shaft 10 and has a lower end attached to the mounting portion 4 of the elevating shelf 6.
11 is applied to the chain wheel 8 to rotate the lifting means 12 such as a motor.
When the motor 13 is rotated by the transmission by the chain 13, the elevating shelf 6 is raised.
Ｂは、木工機２へ向かって材料を送り出す送材手段で、
駆動手段12により移送されるその送り面が、木工機２と
昇降棚６とにおける送材路ｓにおいて、上昇された最上
位置の材料における突出部の一側端面に対応させたわず
かな後退位置で設けられている。B is a material feeding means for feeding the material toward the woodworking machine 2,
The feeding surface transported by the driving means 12 is in a slightly retracted position corresponding to one end face of the protruding portion of the raised uppermost material in the material feeding path s in the woodworking machine 2 and the elevating shelf 6. It is provided.
そして、その構成は、昇降棚６の一側、すなわち、定規
８側において三個の縦形プーリ15,16,17へ、その送り面
が垂直で、材料の一側端面と略平行となるような無端状
の送材ベルト14を懸張し、前記プーリ17をモータ等の駆
動手段18により回転させたとき、送材ベルト14が木工機
２へ向かって回転されるようにしてある。The structure is such that the feed surface is vertical to the three vertical pulleys 15, 16 and 17 on one side of the elevating shelf 6, that is, the ruler 8 side, and is substantially parallel to the one end surface of the material. When the endless material feeding belt 14 is suspended and the pulley 17 is rotated by the driving means 18 such as a motor, the material feeding belt 14 is rotated toward the woodworking machine 2.
Ｃは、送材手段Ｂと協動して、木工機２へ向かって材料
を送り出す押付手段で、その当接面が送材路ｓにおい
て、上昇された最上位置の材料における突出部の他側端
面に対応させたわずかな後退位置に設けられていて、こ
の材料の他側端面へ進退部材23により接離自在に進退す
る押付部材19を設けて、この押付部材19が前進して材料
の他側端面を押し、この材料の一側端面が送材手段Ｂへ
圧接されたとき、材料の移送が可能となるように配設し
てある。C is a pressing unit that cooperates with the material feeding unit B to feed the material toward the woodworking machine 2, and the contact surface of the pressing unit is the other side of the raised portion of the material at the highest position in the material feeding path s. The pressing member 19 is provided at a slightly retracted position corresponding to the end face and is moved forward and backward by the advancing and retracting member 23 to and from the other end face of the material. When the side end surface is pushed and one side end surface of this material is pressed against the material feeding means B, the material is allowed to be transferred.
そして、その構成は、材料の他側端面と略平行となるよ
うなローラ等の三個の押付部材19を支持枠20へ並べて軸
支し、この支持枠20を一対のガイド棒21,21により移動
台22へ可動的に取り付けてある。Then, the configuration is such that three pressing members 19 such as rollers that are substantially parallel to the other end surface of the material are arranged and pivotally supported on the support frame 20, and the support frame 20 is supported by the pair of guide rods 21 and 21. It is movably attached to the moving table 22.
また、支持枠20の中間には、前記移動台22へ取り付けた
流体シリンダ等の進退部材23のロッド24を連結してあっ
て、進退部材23の進行時、ローラ19による材料の送材ベ
ルト14への押付けが行なわれるようにしてある。Further, a rod 24 of an advancing / retreating member 23 such as a fluid cylinder attached to the moving table 22 is connected to the middle of the supporting frame 20, and when the advancing / retreating member 23 advances, a material feeding belt 14 by a roller 19 It is designed to be pressed against.
25は前記した移動台22を移動自在に支持させた水平ガイ
ドで、フレーム１より側方へ張り出させて設け、供給材
料の幅が変わる都度、移動体22を移動させて、ローラ19
と送材ベルト14との間隔が調整されるようにしてある。Reference numeral 25 is a horizontal guide that movably supports the above-mentioned moving table 22 and is provided so as to project laterally from the frame 1. The moving body 22 is moved whenever the width of the feed material changes, and the roller 19 is moved.
The distance between the feeding belt 14 and the material feeding belt 14 is adjusted.
S1は材料の高さ方向における検知器で、昇降棚６により
最上部の材料の下面が、木工機２における送材面ａと一
致する高さに上げられたとき、これを検知して検知信号
を発し、昇降棚６の駆動モータ12を止めると同時に、送
材ベルト14の駆動モータ18を回転させ、ローラ19のシリ
ンダ23のロッド24の繰り出しを行なう。S 1 is a detector in the height direction of the material. When the lower surface of the uppermost material is lifted by the elevating shelf 6 to a height corresponding to the material feeding surface a of the woodworking machine 2, it is detected and detected. A signal is emitted to stop the drive motor 12 of the elevator rack 6 and at the same time rotate the drive motor 18 of the material feeding belt 14 to feed the rod 24 of the cylinder 23 of the roller 19.
また、材料の挿入により非検知の状態になると、昇降棚
６を駆動するモータ12の回転を開始させるように作動す
る。Further, when the non-detection state is caused by the insertion of the material, the motor 12 for driving the elevating shelf 6 starts to rotate.
S2は積重ね材料の到達検知器で、材料の搬入コンベア26
により積重ね材料が昇降棚６の上へ定規８に当たるまで
送り込まれると、これを検知してライブローラ７の回転
を止める。S 2 is a stack material arrival detector, which is a material carry-in conveyor 26
When the stack material is fed to the lift shelf 6 until it hits the ruler 8, the rotation of the live roller 7 is stopped by detecting this.
S3は昇降棚６の上昇限界の検知器で、積重ね材料の最後
のものの挿入が終ると、これを検知し、昇降棚６の駆動
モータ12を逆回転させて、昇降棚６を、下降限界まで降
ろして止める作用を行なう。S 3 is a lift limit detector for the lifting shelf 6, which detects when the last stacked material has been inserted and reversely rotates the drive motor 12 of the lifting shelf 6 to lower the lifting shelf 6 to the lower limit. Performs the action of lowering and stopping.
前記実施例に示した装置は、搬入コンベア26により昇降
棚６上へ積重ね材料を送り込んで、起動スイッチを入れ
ると、装置が前記したように動作を繰り返すため、昇降
棚６上の材料を上のものから一枚ずつ取って、確実に木
工機２の送材面ａへ挿入する操作が自動的に行なわれ
る。In the apparatus shown in the above-mentioned embodiment, when the material to be stacked is sent to the elevating shelf 6 by the carry-in conveyor 26 and the activation switch is turned on, the apparatus repeats the operation as described above, so that the material on the elevating shelf 6 is moved upward. The operation of picking one by one and surely inserting it into the material feeding surface a of the woodworking machine 2 is automatically performed.
（考案の効果） 本考案に関する装置は、昇降棚の上に積重ね材料を供給
すると、その一枚ずつを取って木工機の送材面へ送り込
む操作が自動的で確実に行なわれるから、従来、省力
化，無人化ができなかった材料の供給を完全に省力化，
無人化することができる。(Effects of the Invention) In the device related to the present invention, when stacking materials are supplied onto the elevating shelves, the operation of picking the stacked materials one by one and sending them to the material feeding surface of the woodworking machine is automatically performed reliably. Complete labor saving of material supply that could not be labor saving and unmanned,
Can be unmanned.
特に、この装置は、検知器との組み合わせにより、押付
手段における押付部材が作動したときだけ、送材手段に
よる材料の一枚だけの移送が行なわれるものであるか
ら、材料の移送における誤動作がなく、また、送材手段
と押付手段とによる材料保持は、該材料の両端面におい
て行なわれるので、塗装や化粧等の仕上げが施されてい
る材料であってもその表面を傷付けることがない。Particularly, in this device, due to the combination with the detector, only one sheet of material is transferred by the material feeding means only when the pressing member of the pressing means is activated, so that there is no malfunction in material transfer. Further, since the material is held by the material feeding means and the pressing means on both end surfaces of the material, the surface of the material is not damaged even if the material is finished by painting or makeup.
材料が昇降棚へその前側一部が突出するように載置され
ていて、この突出部へ送材手段と押付手段とが対応する
構成であるため、材料の厚さに関係なく一律に把持して
昇降棚から木工機へと移送することができる。The material is placed on the elevating shelf so that a part of the front side thereof protrudes, and the material feeding means and the pressing means correspond to this protruding portion, so that the material is uniformly gripped regardless of the thickness of the material. Can be transferred from the lifting rack to the woodworking machine.
材料の移送にあって、送材手段と押付手段とにより材料
の前側の一部を挟んで支持し材料自体が移動する構成の
ため、材料の端面への当接部を可及的に少なくでき、こ
の部分の装置を小型化することができて、作業スペース
にゆとりがない工場であっても有効利用できる。During material transfer, the material itself moves with the material feeding means and pressing means sandwiching a part of the front side of the material so that the material itself can move. The device in this part can be downsized and can be effectively used even in a factory where there is no room in the work space.
加るに、移送のための送材手段と押付手段とが定位置に
おいて固定式であるので、昇降棚に載置された材料面が
非水平状態であってもその挟持点は常に変化することが
なく、安定的でかつ確実な材料移送が可能となる。In addition, since the material feeding means and the pressing means for transfer are fixed at a fixed position, even if the material surface placed on the elevating shelf is in a non-horizontal state, the nipping point always changes. It is possible to perform stable and reliable material transfer.
等の格別な効果を奏するものである。It has special effects such as.
第１図は本考案に関する木工機用の材料自動挿入装置の
一実施例を示す正面図である。第２図は第１図の平面図
である。第３図は第１図の側面図である。 図中２は木工機.3は縦ガイド.6は昇降棚.Bは移送手段.C
は押付手段.sは送材路．S1は検知器.12は昇降手段.18は
駆動手段.19は押付部材.23は進退手段．FIG. 1 is a front view showing an embodiment of an automatic material inserting device for a woodworking machine according to the present invention. FIG. 2 is a plan view of FIG. FIG. 3 is a side view of FIG. In the figure, 2 is a woodworking machine, 3 is a vertical guide, 6 is an elevating shelf, B is a transfer means, and C is a transfer means.
Is a pressing means. S is a material feeding path. S 1 is a detector. 12 is an elevating means. 18 is a driving means. 19 is a pressing member. 23 is an advancing and retracting means.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭55−7125（ＪＰ，Ａ) 特公 昭49−35969（ＪＰ，Ｂ１) 米国特許2657784（ＵＳ，Ａ) オランダ特許公開公報7705375（1978年 11月20日) ─────────────────────────────────────────────────── --- Continuation of the front page (56) References JP-A-55-7125 (JP, A) JP-B-49-35969 (JP, B1) US Patent 2657784 (US, A) Dutch Patent Publication 7705375 (1978 (November 20)
Claims (1)
させて設け、積載材料が送材方向において前側の一部が
突出されて載置させる昇降棚と、この昇降棚を積載材料
が順次上のものから木工機の送材面に位置合わせされる
ように上昇させる昇降手段と、木工機と昇降棚との間に
前記昇降棚から突出した最上段の材料一側面に対応させ
て当接するように設け、木工機側へ一枚ずつ送り出すベ
ルト，ローラ等の送材手段と、前記送材手段に対応する
ように木工機と昇降棚との間において前記昇降棚から突
出した最上段の材料他側面に対設させてその押付面を当
接し、前記送材手段との協動により最上段の材料のみを
挾持する押付手段と、材料を検知して昇降棚，押付手段
等の作動を制御させる検知器とを備えさせたことを特徴
とする木工機用の材料自動挿入装置。1. An elevating shelf which is provided in front of a woodworking machine so as to be lifted and lowered by a vertical guide so that the loading material can be placed with a part of the front side protruding in the material feeding direction, and the loading shelf Corresponding to one side surface of the uppermost material protruding from the elevating shelf between the woodworking machine and the elevating shelf, the elevating means for sequentially ascending so as to be aligned with the material feeding surface of the woodworking machine. Belt feeding means, such as belts and rollers, which are provided so as to contact each other, and which feeds one by one to the woodworking machine side, and the uppermost stage protruding from the lifting rack between the woodworking machine and the lifting rack so as to correspond to the material feeding means. A pressing means that is opposed to the other side of the material and abuts the pressing surface, and holds the uppermost material only in cooperation with the material feeding means, and detects the material and operates the lifting shelves, the pressing means, etc. For woodworking machines characterized by having a detector to control Fee automatic insertion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986083903U JPH0747386Y2 (en) | 1986-06-02 | 1986-06-02 | Automatic material insertion device for woodworking machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986083903U JPH0747386Y2 (en) | 1986-06-02 | 1986-06-02 | Automatic material insertion device for woodworking machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62194632U JPS62194632U (en) | 1987-12-10 |
| JPH0747386Y2 true JPH0747386Y2 (en) | 1995-11-01 |
Family
ID=30937918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986083903U Expired - Lifetime JPH0747386Y2 (en) | 1986-06-02 | 1986-06-02 | Automatic material insertion device for woodworking machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0747386Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2657784A (en) | 1949-06-02 | 1953-11-03 | Stoker Lyman Paul | Automatic feeder |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5210258B2 (en) * | 1972-08-08 | 1977-03-23 | ||
| JPS557125A (en) * | 1978-06-27 | 1980-01-18 | Nippon Yuuboard Kogyo Kk | Base board feeder |
-
1986
- 1986-06-02 JP JP1986083903U patent/JPH0747386Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2657784A (en) | 1949-06-02 | 1953-11-03 | Stoker Lyman Paul | Automatic feeder |
Non-Patent Citations (1)
| Title |
|---|
| オランダ特許公開公報７７０５３７５（１９７８年１１月２０日） |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62194632U (en) | 1987-12-10 |
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