JPS627101Y2 - - Google Patents
Info
- Publication number
- JPS627101Y2 JPS627101Y2 JP1978133592U JP13359278U JPS627101Y2 JP S627101 Y2 JPS627101 Y2 JP S627101Y2 JP 1978133592 U JP1978133592 U JP 1978133592U JP 13359278 U JP13359278 U JP 13359278U JP S627101 Y2 JPS627101 Y2 JP S627101Y2
- Authority
- JP
- Japan
- Prior art keywords
- thermoplastic resin
- split fiber
- adhesive
- layer
- nonwoven fabric
- 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
Links
- 239000000835 fiber Substances 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 24
- 229920005992 thermoplastic resin Polymers 0.000 claims description 24
- 239000004745 nonwoven fabric Substances 0.000 claims description 20
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 5
- CLVOYFRAZKMSPF-UHFFFAOYSA-N n,n-dibutyl-4-chlorobenzenesulfonamide Chemical compound CCCCN(CCCC)S(=O)(=O)C1=CC=C(Cl)C=C1 CLVOYFRAZKMSPF-UHFFFAOYSA-N 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 20
- 230000001070 adhesive effect Effects 0.000 description 20
- 239000000123 paper Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 241000699666 Mus <mouse, genus> Species 0.000 description 5
- 241000699670 Mus sp. Species 0.000 description 5
- -1 polypropylene Polymers 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920001684 low density polyethylene Polymers 0.000 description 3
- 239000004702 low-density polyethylene Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 229920001083 polybutene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 239000005667 attractant Substances 0.000 description 1
- 230000031902 chemoattractant activity Effects 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003348 petrochemical agent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Catching Or Destruction (AREA)
Description
【考案の詳細な説明】
本考案は小生物捕獲材に関する。従来ねずみ等
の有害小生物の捕獲用途に粘着剤を紙、布、板等
の基材に塗布した粘着式捕獲材が使用されててい
る。しかし、基材として板または段ボール等を使
用するときはねずみ等が逃走することがある。基
材が軟質でねずみの自体に包絡するものであれば
逃走のおそれがなくまた捕獲体が包絡されている
ので不衛生感がないし、そのまま処理できる。た
だし、従来の紙又は布ではねずみ等を包絡するに
は強度的に不充分であり、また傾斜面に設置する
と粘着剤の流下により床を汚すことがある。[Detailed Description of the Invention] The present invention relates to a material for capturing small organisms. 2. Description of the Related Art Adhesive trapping materials, in which adhesive is applied to a base material such as paper, cloth, or board, have conventionally been used to capture harmful small organisms such as mice. However, when a board or cardboard is used as a base material, mice and the like may escape. If the substrate is soft and envelops the mouse itself, there is no risk of the mouse escaping, and since the captured body is encapsulated, there is no unsanitary feeling and it can be disposed of as is. However, conventional paper or cloth is not strong enough to envelop mice and the like, and if installed on an inclined surface, the adhesive may flow down and stain the floor.
本考案はこれらの欠点を解決した粘着式小生物
捕獲材を提供することを目的とし、粘着剤層、熱
可塑性樹脂の一軸延伸膜を延伸軸と平行に割繊
し、延伸軸と交差する方向に拡幅した割繊維網又
はこの割繊維網を経緯積層固着した経緯積層繊維
不織布、および基材層としての熱可塑性樹脂製フ
イルムもしくは紙がこの順序で積層されて成る小
生物捕獲材の提供を目的とする。 The purpose of the present invention is to provide an adhesive type small organism trapping material that solves these drawbacks. The object of the present invention is to provide a material for capturing small organisms, which is made by laminating in this order a split fiber network widened into a split fiber network or a warp/warp laminated fiber nonwoven fabric in which this split fiber network is laminated and fixed, and a thermoplastic resin film or paper as a base material layer. shall be.
第１図は本考案の一実施態様の断面図であり、
第２図は平面図、ただし粘着剤を省略、である。 FIG. 1 is a sectional view of one embodiment of the present invention,
FIG. 2 is a plan view, but the adhesive is omitted.
図中、１は粘着剤層、２は熱可塑性割繊維不織
布、３は基材層である。 In the figure, 1 is an adhesive layer, 2 is a thermoplastic split fiber nonwoven fabric, and 3 is a base material layer.
粘着剤層を構成する粘着剤は常温で粘着性を有
する不乾性のものであればあらゆる種類のものが
使用できる。粘着剤としてはたとえば、天然ゴ
ム、合成ゴム、エチレン−酢酸ビニル共重合体、
ポリイソブチレン、ポリブテン、その他の液状重
合体、石油樹脂等の粘着性付与樹脂等を単独もし
くは適宜混合して用いることができる。液状ポリ
ブテンと高分子量ポリイソブチレンとの混合物が
粘度および粘着性の点から特に好ましいのみなら
ず、それぞれ食品添加物の認可を受けているから
食料品等を取扱う場所に使用するのに最適であ
る。 As the adhesive constituting the adhesive layer, any type of adhesive can be used as long as it is sticky at room temperature and is non-drying. Examples of adhesives include natural rubber, synthetic rubber, ethylene-vinyl acetate copolymer,
Polyisobutylene, polybutene, other liquid polymers, tackifier resins such as petroleum resins, and the like can be used alone or in an appropriate mixture. A mixture of liquid polybutene and high molecular weight polyisobutylene is not only particularly preferred from the viewpoint of viscosity and stickiness, but also each is approved as a food additive, making it ideal for use in places where foodstuffs and the like are handled.
粘着剤層は、粘着剤の他に小生物誘引剤、有
機、無機の充てん剤もしくは粘度、粘着力調節剤
を添加して用いることもできる。 In addition to the adhesive, the adhesive layer can also contain a small organism attractant, an organic or inorganic filler, or a viscosity and adhesive force regulator.
粘着剤層の積層は図中の第２層の表面に塗布す
ることによつて行なう。 The adhesive layer is laminated by applying it to the surface of the second layer shown in the figure.
熱可塑性樹脂製割繊維不織布は熱可塑性樹脂の
一軸延伸膜を延伸軸と平行に割繊しついで延伸軸
と交叉する方向に拡幅した割繊維網又はこの割繊
維網を経緯積層固着した経緯積層割繊維不織布で
ある。 Split fiber nonwoven fabric made of thermoplastic resin is a split fiber network in which a uniaxially stretched thermoplastic resin membrane is split parallel to the stretching axis and then widened in the direction crossing the stretching axis, or a split fiber network in which this split fiber network is laminated and fixed in warp and warp layers. It is a fiber non-woven fabric.
一軸延伸膜は異種熱可塑性樹脂の複数層から成
る複合フイルムを一軸延伸して得られるものを使
用することが好ましい。この複合フイルムは第１
層の片面または両面に第１層とは別種の熱可塑性
樹脂からなる第２層を有する構造である。第１層
としては、高密度ポリエチレン、ポリプロピレ
ン、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリ
スチレン、ポリビニルアルコール、ポリアミド、
ポリエステルおよびこれらの系統に属する共重合
体、誘導体ならびにその他の結晶性皮膜形成能重
合体が使用できる。第２層は、割繊維網の固着時
に加熱すれば接着層として仂くものであり、第１
層より融点または軟化点が低い熱可塑性樹脂、た
とえば低密度ポリエチレン、エチレン−酢酸ビニ
ル共重合体、エチレン−アクリル酸共重合体、熱
可塑性樹脂ゴムなどである。このような構成の複
合フイルムからなる一軸延伸膜から得られた割繊
維網を第２層どうしが面接するように経緯積層し
て加熱圧着すれば、第２層が相互に融着して経緯
積層割繊維不織布が得られる。もちろん、第１層
を構成する熱可塑性樹脂のみからなる一軸延伸膜
から得られた割繊維網またはこれを経緯積層し適
宜接着剤を用いて固着した経緯積層割繊維不織布
も使用できる。 It is preferable to use a uniaxially stretched film obtained by uniaxially stretching a composite film composed of multiple layers of different types of thermoplastic resins. This composite film is the first
This structure has a second layer made of a thermoplastic resin different from the first layer on one or both sides of the layer. The first layer includes high density polyethylene, polypropylene, polyvinyl chloride, polyvinylidene chloride, polystyrene, polyvinyl alcohol, polyamide,
Polyesters and their copolymers, derivatives, and other crystalline film-forming polymers can be used. The second layer acts as an adhesive layer when heated when the split fiber network is fixed, and is the same as the first layer.
A thermoplastic resin having a melting point or softening point lower than that of the layer, such as low density polyethylene, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, thermoplastic resin rubber, etc. If a split fiber network obtained from a uniaxially stretched composite film having such a structure is laminated with warp and warp so that the second layers face each other and is heat-pressed, the second layers are fused to each other and the lamination of warp and warp is completed. A split fiber nonwoven fabric is obtained. Of course, it is also possible to use a split fiber network obtained from a uniaxially stretched membrane consisting only of a thermoplastic resin constituting the first layer, or a warp/warp laminated split fiber nonwoven fabric obtained by laminating the same in warp and warp layers and fixing them using an appropriate adhesive.
一軸延伸は数倍〜数十倍の倍率で行なうことが
好ましい。割繊は一軸延伸膜の延伸軸に平行に、
断続した多数の切れめを生ぜしめることによつて
行なうが、割繊方法は任意に選択でき、一軸延伸
膜を針歯やカツターで切開割繊するとか、回転丸
棒やすりに接触摺動せしめて割繊するとか、ある
いは摩擦法、撚り法とかいかなる割繊方法によつ
てもよい。または、あらかじめエンボス加工した
膜を一軸延伸することによつて割繊する方法も使
用できる。 The uniaxial stretching is preferably carried out at a magnification of several times to several tens of times. The fibers are split parallel to the stretching axis of the uniaxially stretched membrane.
This is done by creating a large number of intermittent cuts, but the splitting method can be selected arbitrarily, such as by cutting and splitting the uniaxially stretched film with needle teeth or cutters, or by sliding it on a rotating round bar file. Any fiber splitting method such as fiber splitting, friction method, twisting method, etc. may be used. Alternatively, a method of splitting the membrane by uniaxially stretching a membrane that has been embossed in advance can also be used.
割繊された一軸延伸膜を延伸軸と交叉する方向
に所望巾に拡幅することにより網状構造を有する
割繊維網が得られる。 A split fiber network having a network structure is obtained by widening the split uniaxially stretched membrane to a desired width in a direction intersecting the stretching axis.
本考案における熱可塑性樹脂製割繊維不織布と
しては上記割繊維網および経緯積層割繊維不織布
のいずれも使用できる。 As the split fiber nonwoven fabric made of thermoplastic resin in the present invention, either the above split fiber network or warp laminated split fiber nonwoven fabric can be used.
本考案における基材層としては、熱可塑性樹脂
製フイルムまたは紙を使用する。これら基材に割
繊維網又は経緯積層割繊維不織布を積層する。積
層に際して複合フイルムから得られたものにあつ
てはその第２層が加熱圧着時に接着層として仂く
が、通常は適宜接着剤もしくは熱可塑性樹脂のラ
ミネート層を介して熱融着することもできる。 A thermoplastic resin film or paper is used as the base material layer in the present invention. A split fiber network or a weft/warp laminated split fiber nonwoven fabric is laminated on these base materials. In the case of composite films obtained during lamination, the second layer serves as an adhesive layer during heat-pressure bonding, but usually it can also be heat-sealed via an appropriate adhesive or thermoplastic resin laminate layer. .
基材として紙又は熱可塑性樹脂製フイルムを使
用するときは包絡性が発揮でき、ねずみを効果的
に捕獲することができる。 When paper or thermoplastic resin film is used as the base material, enveloping properties can be exhibited and mice can be effectively captured.
基材としての紙と熱可塑性樹脂割繊維不織布と
の積層は、前記第２層による熱融着もしくは低密
度ポリエチレン等を紙にラミネートし、ラミネー
ト層が溶融状態で熱可塑性樹脂製割繊維不織布と
を接着する方法が好ましい。この方法による場合
は粘着剤が紙へ浸透することがラミネート層によ
つて防止できる。 Lamination of paper as a base material and thermoplastic resin split fiber nonwoven fabric is carried out by heat-sealing with the second layer, or by laminating low density polyethylene, etc. on the paper, and then laminating the thermoplastic resin split fiber nonwoven fabric with the laminate layer in a molten state. A method of gluing is preferred. When using this method, the laminate layer can prevent the adhesive from penetrating into the paper.
さらに好ましくは、熱可塑性樹脂製割繊維不織
布と基材としての熱可塑性樹脂製フイルムを熱融
着あるいは接着剤による接着で積層したものであ
る。この場合基材の熱可塑性樹脂製フイルムとし
ては、ポリエチレン、ポリプロピレンその他のポ
リオレフイン、エチレン−酢酸ビニル共重合体、
ポリアミド、ポリエステルなどのフイルムまたは
それらの延伸フイルムが好ましい。この形式のも
のは熱可塑性樹脂製フイルムによつて粘着剤の浸
透は完全に防止できるとともに充分に充軟な基材
であるから包絡性にすぐれきわめて確実にねずみ
を捕獲することができる。 More preferably, a split fiber nonwoven fabric made of a thermoplastic resin and a thermoplastic resin film as a base material are laminated by heat fusion or adhesive bonding. In this case, the base thermoplastic resin film may be polyethylene, polypropylene or other polyolefin, ethylene-vinyl acetate copolymer,
Films of polyamide, polyester, etc. or stretched films thereof are preferred. In this type, the thermoplastic resin film completely prevents penetration of the adhesive, and since the base material is sufficiently soft, it has excellent enveloping properties and can trap mice very reliably.
熱可塑性樹脂製割繊維不織布はその表面が多数
の連結した繊維状物の凸条で構成されているため
粘着剤を塗布した際に、流動を抑制されるのでは
み出して床を汚したりせず、傾斜面に設置するこ
とも可能である。 The surface of split fiber nonwoven fabric made of thermoplastic resin is made up of many connected fibrous ridges, so when an adhesive is applied, the flow is suppressed, so it does not protrude and stain the floor. It is also possible to install it on an inclined surface.
また、熱可塑性樹脂製割繊維不織布は上記のご
とく一軸延伸効果により強度が向上しておりかつ
網状構造であるからねずみが捕獲に抵抗しても破
損することがなくきわめて確実に捕獲することが
できる。 In addition, as mentioned above, the split fiber nonwoven fabric made of thermoplastic resin has improved strength due to the uniaxial stretching effect, and because it has a network structure, it does not break even if the mouse resists capture, and can be captured extremely reliably. .
また、本考案の捕獲材は使用時にシート状であ
ればよいのであつて、使用前にあらかじめ粘着剤
を塗布しておいて捕獲材全体を二つ折りにし周囲
を封じ、使用時に開封し、拡げて使用したり、あ
るいは立体的構造の捕獲器等の一部に使用するこ
ともできる。 In addition, the capture material of the present invention only needs to be in sheet form when used, and the capture material is coated with adhesive before use, the entire capture material is folded in half and the surrounding area is sealed, and then opened and unfolded before use. It can also be used as a part of a trap with a three-dimensional structure.
実施例
厚さ60μのポリエチレン製割繊維不織布（日本
石油化学製割繊維不織布、商品名日石ワリフ
HS）に基材として低密度ポリエチレンフイルム
を厚さ50μにラミネートにより積層したものを30
cm×30cmに切断したものを用意した。一方、粘着
剤として数平均分子量570のポリブテン98重量部
とフローリイ法粘度平均分子量1200000のポリイ
ソブチレン２重量部とからなる粘着剤組成物を用
意し、前記割繊維不織布とポリエチレンとの積層
体の割繊維不織布層の上に、該粘着剤を約0.5mm
厚に塗布して小生物捕獲材を得た。Example 60μ thick polyethylene split fiber non-woven fabric (Nippon Petrochemicals split fiber non-woven fabric, product name Nisseki Warif)
HS) with a low-density polyethylene film laminated to a thickness of 50μ as a base material.
A piece cut into cm x 30 cm was prepared. On the other hand, an adhesive composition consisting of 98 parts by weight of polybutene having a number average molecular weight of 570 and 2 parts by weight of polyisobutylene having a Flory viscosity average molecular weight of 1,200,000 was prepared as an adhesive, and a laminate of the split fiber nonwoven fabric and polyethylene was prepared. Apply approximately 0.5 mm of the adhesive on the fibrous nonwoven fabric layer.
A material for capturing small organisms was obtained by applying it thickly.
この小生物捕獲材をねずみの通路に設置し、一
昼夜おいた。一昼夜後に該捕獲材によつて包絡さ
れてねずみが捕獲されていた。捕獲材の破れや、
粘着剤の浸透は認められなかつた。 This small creature trapping material was placed in the mouse passage and left overnight. A day and a night later, the mouse was trapped in the trapping material and captured. Torn capture material,
No penetration of the adhesive was observed.
第１図は本考案の断面図、第２図は本考案の平
面図である。
１……粘着剤層、２……熱可塑性樹脂製割繊維
不織布、３……基材層。
FIG. 1 is a sectional view of the present invention, and FIG. 2 is a plan view of the present invention. 1... Adhesive layer, 2... Thermoplastic resin split fiber nonwoven fabric, 3... Base material layer.
Claims (1)
軸と平行に割繊し、延伸軸と交差する方向に拡
幅した割繊維網又はこの割繊維網を経緯積層固
着した経緯積層繊維不織布、および基材層とし
ての熱可塑性樹脂製フイルムもしくは紙がこの
順序に積層されて成る小生物捕獲材。 (2) 一軸延伸膜が、異種熱可塑性樹脂の複数層か
ら成る複合フイルムを一軸延伸して得られるも
のであることを特徴とする実用新案登録請求の
範囲第１項記載の小生物捕獲材。[Claims for Utility Model Registration] (1) Adhesive layer, a split fiber network made by splitting a uniaxially stretched thermoplastic resin film parallel to the stretching axis and widening it in a direction crossing the stretching axis, or this split fiber network. A small organism trapping material comprising a fixed warp/warf laminated fiber nonwoven fabric and a thermoplastic resin film or paper as a base layer, which are laminated in this order. (2) The small organism trapping material according to claim 1, wherein the uniaxially stretched film is obtained by uniaxially stretching a composite film composed of multiple layers of different types of thermoplastic resins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978133592U JPS627101Y2 (en) | 1978-09-29 | 1978-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978133592U JPS627101Y2 (en) | 1978-09-29 | 1978-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5548775U JPS5548775U (en) | 1980-03-31 |
| JPS627101Y2 true JPS627101Y2 (en) | 1987-02-18 |
Family
ID=29102198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978133592U Expired JPS627101Y2 (en) | 1978-09-29 | 1978-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS627101Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4535637B2 (en) * | 2001-04-19 | 2010-09-01 | 新日本石油化学株式会社 | Adhesive tape base fabric using orthogonal laminated nonwoven fabric and adhesive tape using the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4982353A (en) * | 1972-12-11 | 1974-08-08 | ||
| JPS538521A (en) * | 1976-07-13 | 1978-01-26 | Takeda Riken Ind Co Ltd | Device for driving digital indicator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151790U (en) * | 1974-06-03 | 1975-12-17 | ||
| JPS5348791Y2 (en) * | 1975-05-22 | 1978-11-22 | ||
| JPS5437738Y2 (en) * | 1975-06-03 | 1979-11-12 |
-
1978
- 1978-09-29 JP JP1978133592U patent/JPS627101Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4982353A (en) * | 1972-12-11 | 1974-08-08 | ||
| JPS538521A (en) * | 1976-07-13 | 1978-01-26 | Takeda Riken Ind Co Ltd | Device for driving digital indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5548775U (en) | 1980-03-31 |
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