JP2008211324A - Antenna cover - Google Patents

Antenna cover Download PDF

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JP2008211324A
JP2008211324A JP2007043929A JP2007043929A JP2008211324A JP 2008211324 A JP2008211324 A JP 2008211324A JP 2007043929 A JP2007043929 A JP 2007043929A JP 2007043929 A JP2007043929 A JP 2007043929A JP 2008211324 A JP2008211324 A JP 2008211324A
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waterproof sheet
region
lower lid
shaped waterproof
doughnut
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JP4447617B2 (en
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Hideaki Hatakeyama
秀晶 畠山
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Nihon Dengyo Kosaku Co Ltd
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Nihon Dengyo Kosaku Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an antenna cover constituted so that a water splash is prevented from flowing backward into the antenna cover by one waterproof sheet. <P>SOLUTION: The antenna cover has one doughnut-shaped waterproof sheet which has a cylindrical portion and a lower lid disposed below the cylindrical portion when fitted, and also has a drainage hole at the circumference of the lower lid, and a doughnut-shaped waterproof sheet disposed so as to cover the drainage hole. The doughnut-shaped waterproof sheet has a fitting hole for fixation to the lower lid in a region other than a region where the drainage hole is formed, wherein the width of the region covering the drainage hole is wider than that of the region where the fitting hole is formed. In a state that the doughnut-shaped waterproof sheet is spread, L1>L2 is satisfied, wherein L1 is the diameter of a circle passing the center position of the fitting hole and L2 is the diameter of a circle passing the center position of the drainage hole of the lower lid. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、アンテナカバーに係り、特に、アンテナカバーの下蓋の水抜き構造に適用して有効な技術に関する。   The present invention relates to an antenna cover, and more particularly to a technique that is effective when applied to a water drain structure of a lower lid of an antenna cover.

携帯電話機などの基地局アンテナは、屋外に設置される。そのため、基地局アンテナは紫外線や、風雨にさらされることになるので、アンテナ素子は、アンテナカバー内に収納されるのが普通である。   Base station antennas such as mobile phones are installed outdoors. Therefore, since the base station antenna is exposed to ultraviolet rays and wind and rain, the antenna element is usually housed in the antenna cover.

図6は、従来のアンテナカバーを説明するための模式図である。同図において、10はアンテナカバーであり、アンテナカバー10内に、例えば、携帯電話機などの基地局アンテナが収納される。一般に、アンテナカバー10は、取り付け金具11により、支柱12に取り付けられる。
このようなアンテナカバー10は、上蓋と、円柱部分と、下蓋とで構成されるが、下蓋部分には、内部での凍結などにより生じる水を抜くための水抜き孔が形成される。しかしながら、暴風雨などにより、この水抜き孔を通じて、水飛沫が内部に逆流する場合があるので、この水抜き孔を、図7に示すコの字形状の防水用部品7で覆うようにしている。
一般に、前述の水抜き孔は、複数(例えば、4個)形成されるが、例えば、水抜き孔が、4個形成される場合、従来は、コの字形状の防水用部品7を4個用意し、それぞれの水抜き孔をコの字形状の防水用部品7で覆うようにしている。
このように、従来のアンテナカバーの下蓋では、各水抜き孔毎に防水用部品7を用意する必要があり、さらに、各水抜き孔を防水用部品7で覆うための手間が掛かるので、アンテナカバーのコストを、より一層低減することが難しいという問題点があった。
FIG. 6 is a schematic diagram for explaining a conventional antenna cover. In the figure, reference numeral 10 denotes an antenna cover, and a base station antenna such as a mobile phone is accommodated in the antenna cover 10. In general, the antenna cover 10 is attached to the support column 12 by a mounting bracket 11.
Such an antenna cover 10 includes an upper lid, a cylindrical portion, and a lower lid, and a drain hole for draining water generated by freezing inside is formed in the lower lid portion. However, since the water splash may flow back through the drainage hole due to a storm or the like, the drainage hole is covered with a U-shaped waterproofing part 7 shown in FIG.
In general, a plurality of (for example, four) drain holes are formed. For example, when four drain holes are formed, conventionally, four U-shaped waterproof parts 7 are provided. It is prepared so that each drain hole is covered with a U-shaped waterproofing part 7.
Thus, in the lower lid of the conventional antenna cover, it is necessary to prepare the waterproof component 7 for each drain hole, and further, it takes time to cover each drain hole with the waterproof component 7, There is a problem that it is difficult to further reduce the cost of the antenna cover.

本発明は、前記従来技術の問題点を解決するためになされたものであり、本発明の目的は、水飛沫がアンテナカバー内に逆流するのを1枚の防水シートで防止するようにしたアンテナカバーを提供することにある。
本発明の前記ならびにその他の目的と新規な特徴は、本明細書の記述及び添付図面によって明らかにする。
The present invention has been made to solve the above-described problems of the prior art, and an object of the present invention is to provide an antenna in which water splash is prevented from flowing back into the antenna cover with a single waterproof sheet. To provide a cover.
The above and other objects and novel features of the present invention will become apparent from the description of this specification and the accompanying drawings.

本願において開示される発明のうち、代表的なものの概要を簡単に説明すれば、下記の通りである。
(1)内部にアンテナ素子を収納するアンテナカバーであって、円筒状部分と、取り付けた状態において前記円筒状部分の下側に配置される下蓋とを有し、前記下蓋の周囲には、水抜き孔が形成されており、前記水抜き孔を覆うように配置される一枚のドーナツ状の防水シートを有し、前記ドーナツ状の防水シートは、前記水抜き孔が形成される領域以外の領域において、前記下蓋に固定するための取り付け孔を有し、前記ドーナツ状の防水シートは、前記水抜き孔を覆う領域の幅が、前記取り付け孔が形成される領域の幅よりも広いことを特徴とする。
(2)(1)において、前記ドーナツ状の防水シートを展開した状態において、前記ドーナツ状の防水シートの前記水抜き孔を覆う領域の外周部分が、前記取り付け孔が形成される領域の外側の部分に内接する円よりも外側に突出し、前記ドーナツ状の防水シートを展開した状態において、前記ドーナツ状の防水シートの前記水抜き孔を覆う領域の内周部分が、前記取り付け孔が形成される領域の内側の部分に外接する円よりも内側に突出し、前記ドーナツ状の防水シートを展開した状態において、前記取り付け孔の中心位置を通る円の直径をL1、前記下蓋の前記水抜き孔の中心位置を通る円の直径をL2とするとき、L1>L2を満足することを特徴とする。
Of the inventions disclosed in this application, the outline of typical ones will be briefly described as follows.
(1) An antenna cover that houses an antenna element therein, and includes a cylindrical portion and a lower lid that is disposed on the lower side of the cylindrical portion in an attached state. And a doughnut-shaped waterproof sheet that is formed so as to cover the drain hole, and the donut-shaped waterproof sheet is a region where the drain hole is formed. The doughnut-shaped waterproof sheet has a width that covers the drain hole more than the width of the area in which the mounting hole is formed. It is wide.
(2) In (1), in a state where the doughnut-shaped waterproof sheet is unfolded, the outer peripheral portion of the region covering the drain hole of the donut-shaped waterproof sheet is outside the region where the attachment hole is formed. The mounting hole is formed in the inner peripheral portion of the region covering the drain hole of the doughnut-shaped waterproof sheet in a state where the doughnut-shaped waterproof sheet is unfolded and protrudes outside the circle inscribed in the portion. Projecting inward from the circle circumscribing the inner part of the region, in a state where the doughnut-shaped waterproof sheet is deployed, the diameter of the circle passing through the center position of the mounting hole is L1, and the drain hole of the lower lid When the diameter of the circle passing through the center position is L2, L1> L2 is satisfied.

本願において開示される発明のうち代表的なものによって得られる効果を簡単に説明すれば、下記の通りである。
本発明のアンテナカバーによれば、水飛沫がアンテナカバー内に逆流するのを1枚の防水シートで防止することが可能となる。
The effects obtained by the representative ones of the inventions disclosed in the present application will be briefly described as follows.
According to the antenna cover of the present invention, it is possible to prevent water splash from flowing back into the antenna cover with a single waterproof sheet.

以下、図面を参照して本発明の実施例を詳細に説明する。
なお、実施例を説明するための全図において、同一機能を有するものは同一符号を付け、その繰り返しの説明は省略する。
図1は、本発明の実施例のアンテナカバーを説明するための模式図である。同図に示すように、本実施例のアンテナカバーは、上蓋1と、円柱部分2と、下蓋3とで構成される。
なお、図1には図示していないが、上蓋1の内部に円柱部分2を挿入した後、上蓋1および円柱部分2の側面に設けられたネジ穴に挿入されるネジにより、上蓋1は円柱部分2に固定される。また、円柱部分2の内部には、携帯電話機などの基地局アンテナが収納される。同様に、図1には図示していないが、円柱部分2の内部に下蓋3を挿入した後、円柱部分2および下蓋3の側面に設けられたネジ穴に挿入されるネジにより、円柱部分2は下蓋3に固定される。ここで、上蓋1は、強化プラスチックやアルミなどの金属材料で構成され、円柱部分2は、強化プラスチックで構成され、下蓋3はアルミなどの金属材料で構成される。
図2は、図1に示す下蓋3を説明するための図であり、図1に示す下蓋3を上から見た図である。
図2において、30a〜30dは水抜き孔であり、本実施例では、上下・左右に4個形成される。また、31a〜31dは、後述する防水シート5をネジ止めするためのネジ孔である。さらに、32a〜32fは、円柱部分2をネジ止めするためのねじ穴、33a〜33eは、励振電力を供給するための同軸接栓である。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In all the drawings for explaining the embodiments, parts having the same functions are given the same reference numerals, and repeated explanation thereof is omitted.
FIG. 1 is a schematic diagram for explaining an antenna cover according to an embodiment of the present invention. As shown in the figure, the antenna cover of this embodiment is composed of an upper lid 1, a cylindrical portion 2, and a lower lid 3.
Although not shown in FIG. 1, after the cylindrical portion 2 is inserted into the upper lid 1, the upper lid 1 is formed into a cylindrical shape by screws inserted into screw holes provided on the side surfaces of the upper lid 1 and the cylindrical portion 2. Fixed to part 2. In addition, a base station antenna such as a mobile phone is accommodated in the cylindrical portion 2. Similarly, although not shown in FIG. 1, after the lower lid 3 is inserted into the cylindrical portion 2, the cylindrical portion 2 and the screw are inserted into the screw holes provided on the side surfaces of the lower lid 3, thereby The part 2 is fixed to the lower lid 3. Here, the upper lid 1 is made of a metal material such as reinforced plastic or aluminum, the cylindrical portion 2 is made of a reinforced plastic, and the lower lid 3 is made of a metal material such as aluminum.
2 is a view for explaining the lower lid 3 shown in FIG. 1, and is a view of the lower lid 3 shown in FIG. 1 as viewed from above.
In FIG. 2, 30 a to 30 d are drain holes, and in the present embodiment, four are formed vertically and horizontally. Moreover, 31a-31d is a screw hole for screwing the waterproof sheet 5 mentioned later. Furthermore, 32a to 32f are screw holes for screwing the cylindrical portion 2, and 33a to 33e are coaxial plugs for supplying excitation power.

図3は、本実施例の特徴とする防水シートを説明するための図であり、展開した状態の防水シートを上から見た図である。
図3において、5は防水シートであり、この防水シート5は、展開した状態において、ドーナツ状に形成される。また、51a〜51dは、下蓋3のネジ孔(31a〜31d)に対向して形成された取り付け孔である。そして、各取り付け孔の中間位置の、各取り付け孔が形成される領域(図3のBに示す部分)よりも幅広に形成された領域(図3のAに示す部分)が、前述の水抜き孔(30a〜30d)を覆い、水飛沫がアンテナカバー内に逆流するのを防止する部分である。
防水シート5は、展開した状態において、ドーナツ状に形成されるが、図3に示すように、外周、内周とも完全な円弧状には形成されておらず、外周では、下蓋3の水抜き孔(30a〜30d)を覆う領域(図3のAに示す領域)の外周部分が、取り付け孔(51a〜51d)が形成される領域(図3のBに示す部分)の外側の部分に内接する円(CIR2)よりも外側に突出している。
即ち、防水シート5に形成される取り付け孔(51a〜51d)が形成される領域の外側の部分に内接する円(CIR2)の直径をL4、下蓋3の水抜き孔(30a〜30d)を覆う領域の外側の部分に外接する円(CIR1)の直径をL3とするとき、L3>L4を満足する。なお、本実施例では、L3は150mm、L4は144mmである。
FIG. 3 is a view for explaining the waterproof sheet as a feature of the present embodiment, and is a view of the expanded waterproof sheet as viewed from above.
In FIG. 3, 5 is a waterproof sheet, and this waterproof sheet 5 is formed in a donut shape in the unfolded state. Reference numerals 51a to 51d denote attachment holes formed to face the screw holes (31a to 31d) of the lower lid 3. A region (portion shown in FIG. 3A) formed wider than the region (portion shown in FIG. 3B) where each mounting hole is formed at an intermediate position between the mounting holes is the above-mentioned drainage. It is a part that covers the holes (30a to 30d) and prevents water splashes from flowing back into the antenna cover.
The waterproof sheet 5 is formed in a donut shape in the unfolded state. However, as shown in FIG. 3, the outer periphery and the inner periphery are not formed in a complete arc shape. The outer peripheral portion of the region (the region shown in FIG. 3A) covering the punch holes (30a to 30d) is outside the region (the portion shown in FIG. 3B) where the attachment holes (51a to 51d) are formed. It protrudes outward from the inscribed circle (CIR2).
That is, the diameter of the circle (CIR2) inscribed in the outer portion of the region where the attachment holes (51a to 51d) formed in the waterproof sheet 5 are formed is L4, and the drain holes (30a to 30d) of the lower lid 3 are formed. When the diameter of a circle (CIR1) circumscribing the outer portion of the covered region is L3, L3> L4 is satisfied. In this embodiment, L3 is 150 mm and L4 is 144 mm.

また、内周では、下蓋3の水抜き孔(30a〜30d)を覆う部分(図3のAに示す部分)の内周部分が、取り付け孔(51a〜51d)が形成される領域(図3のBに示す部分)の内側の部分に外接する円(CIR3)よりも内側に突出している。
即ち、防水シート5に形成される取り付け孔(51a〜51d)が形成される領域の内側の部分に外接する円(CIR3)の直径をL5、下蓋3の水抜き孔(30a〜30d)を覆う領域の内側の部分に内接する円(CIR4)の直径をL6とするとき、L5>L6を満足する。なお、本実施例では、L5は128mm、L6は114mmである。
さらに、本実施例では、防水シート5に形成される取り付け孔(51a〜51d)の中心位置を通る円(CIR5)の直径をL1、下蓋3の水抜き孔(30a〜30d)の中心位置を通る円(CIR6)の直径をL2とするとき、L1>L2を満足する。なお、本実施例では、L5は136mm、L6は130mmである。
Moreover, in the inner periphery, the inner peripheral part of the part (part shown to A of FIG. 3) which covers the drain hole (30a-30d) of the lower cover 3 is a region (FIG. 3) where the attachment holes (51a-51d) are formed. 3 (part indicated by B in FIG. 3) protrudes inward from the circle (CIR3) circumscribing the inner part.
That is, the diameter of the circle (CIR3) circumscribing the inner part of the region where the attachment holes (51a to 51d) formed in the waterproof sheet 5 are formed is L5, and the drain holes (30a to 30d) of the lower lid 3 are formed. When the diameter of a circle (CIR4) inscribed in the inner portion of the covered region is L6, L5> L6 is satisfied. In this embodiment, L5 is 128 mm and L6 is 114 mm.
Furthermore, in this embodiment, the diameter of the circle (CIR5) passing through the center position of the attachment holes (51a to 51d) formed in the waterproof sheet 5 is L1, and the center position of the drain holes (30a to 30d) of the lower lid 3 L1> L2 is satisfied, where L2 is the diameter of the circle passing through (CIR6). In this embodiment, L5 is 136 mm and L6 is 130 mm.

図4は、本実施例の防水シート5を下蓋3に取り付けた状態を示す図であり、防水シート5を取り付けた下蓋3を上から見た図である。図4において、6a〜6dは、防水シート5を下蓋3に固定するためのネジである。
本実施例では、前述したように、下蓋3の水抜き孔(30a〜30d)の中心位置を通る円(CIR6)の直径(L2)が、防水シート5に形成される取り付け孔(51a〜51d)の中心位置を通る円(CIR5)の直径(L1)よりも小さくされる。
そのため、部品単体では平面上の防水シート5が、下蓋3に組み込んだ状態では、防水シート5が波打つことになる。
そのため、図5に示すように、水抜きスペースを確保すると同時に、水抜き孔(30a〜30d)を覆うことにより、水飛沫がアンテナカバー内部へ侵入するのを防止することができる。なお、図5は、本実施例の防水シート5が、水抜き孔(30a〜30d)を覆っている状態を示す図である。
以上、本発明者によってなされた発明を、前記実施例に基づき具体的に説明したが、本
発明は、前記実施例に限定されるものではなく、その要旨を逸脱しない範囲において種々変更可能であることは勿論である。
FIG. 4 is a view showing a state in which the waterproof sheet 5 of the present embodiment is attached to the lower lid 3, and is a view of the lower lid 3 attached with the waterproof sheet 5 as viewed from above. In FIG. 4, 6 a to 6 d are screws for fixing the waterproof sheet 5 to the lower lid 3.
In the present embodiment, as described above, the diameter (L2) of the circle (CIR6) passing through the center position of the drain holes (30a to 30d) of the lower lid 3 is the attachment hole (51a to 51a to be formed in the waterproof sheet 5). 51d) is made smaller than the diameter (L1) of the circle (CIR5) passing through the center position.
For this reason, the waterproof sheet 5 on a flat surface in a single component is undulated in a state where the waterproof sheet 5 is incorporated in the lower lid 3.
Therefore, as shown in FIG. 5, it is possible to prevent water from entering the inside of the antenna cover by securing the water draining space and covering the water draining holes (30a to 30d). In addition, FIG. 5 is a figure which shows the state which the waterproof sheet 5 of a present Example has covered the drain hole (30a-30d).
As mentioned above, the invention made by the present inventor has been specifically described based on the above embodiments. However, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the scope of the invention. Of course.

本発明の実施例のアンテナカバーを説明するための模式図である。It is a schematic diagram for demonstrating the antenna cover of the Example of this invention. 図1に示す下蓋を説明するための図である。It is a figure for demonstrating the lower cover shown in FIG. 本発明の実施例の特徴とする防水シートを説明するための図である。It is a figure for demonstrating the waterproof sheet characterized by the Example of this invention. 本発明の実施例の防水シートを下蓋に取り付けた状態を示す図である。It is a figure which shows the state which attached the waterproof sheet of the Example of this invention to the lower cover. 本発明の実施例の防水シートが、水抜き孔を覆っている状態を示す図である。It is a figure which shows the state which the waterproof sheet of the Example of this invention has covered the drain hole. 従来のアンテナカバーを説明するための模式図である。It is a schematic diagram for demonstrating the conventional antenna cover. 従来の防水用部品を説明するための図である。It is a figure for demonstrating the conventional waterproofing part.

符号の説明Explanation of symbols

1 上蓋
2 円柱部分
3 下蓋
5 防水シート
6a〜6d ネジ
7 コの字形状の防水用部品
30a〜30d 水抜き孔
31a〜31d,32a〜32f ネジ孔
33a〜33e 同軸接栓
51a〜51d 取り付け孔
10 アンテナカバー
11 取り付け金具
12 支柱
DESCRIPTION OF SYMBOLS 1 Upper lid 2 Cylindrical part 3 Lower lid 5 Waterproof sheet 6a-6d Screw 7 U-shaped waterproof part 30a-30d Drain hole 31a-31d, 32a-32f Screw hole 33a-33e Coaxial plug 51a-51d Mounting hole 10 Antenna cover 11 Mounting bracket 12 Prop

Claims (2)

内部にアンテナ素子を収納するアンテナカバーであって、
円筒状部分と、
取り付けた状態において前記円筒状部分の下側に配置される下蓋とを有し、
前記下蓋の周囲には、水抜き孔が形成されており、
前記水抜き孔を覆うように配置される一枚のドーナツ状の防水シートを有し、
前記ドーナツ状の防水シートは、前記水抜き孔が形成される領域以外の領域において、前記下蓋に固定するための取り付け孔を有し、
前記ドーナツ状の防水シートは、前記水抜き孔を覆う領域の幅が、前記取り付け孔が形成される領域の幅よりも広いことを特徴とするアンテナカバー。
An antenna cover for storing an antenna element inside,
A cylindrical part;
A lower lid disposed on the lower side of the cylindrical portion in the attached state;
A drain hole is formed around the lower lid,
Having a donut-shaped waterproof sheet arranged to cover the drain hole,
The donut-shaped waterproof sheet has a mounting hole for fixing to the lower lid in a region other than a region where the drain hole is formed,
The doughnut-shaped waterproof sheet is an antenna cover characterized in that the width of the region covering the drain hole is wider than the width of the region where the attachment hole is formed.
前記ドーナツ状の防水シートを展開した状態において、前記ドーナツ状の防水シートの前記水抜き孔を覆う領域の外周部分が、前記取り付け孔が形成される領域の外側の部分に内接する円よりも外側に突出し、
前記ドーナツ状の防水シートを展開した状態において、前記ドーナツ状の防水シートの前記水抜き孔を覆う領域の内周部分が、前記取り付け孔が形成される領域の内側の部分に外接する円よりも内側に突出し、
前記ドーナツ状の防水シートを展開した状態において、前記取り付け孔の中心位置を通る円の直径をL1、前記下蓋の前記水抜き孔の中心位置を通る円の直径をL2とするとき、L1>L2を満足することを特徴とするアンテナカバー。
In a state where the doughnut-shaped waterproof sheet is deployed, an outer peripheral portion of the region covering the drain hole of the donut-shaped waterproof sheet is outside a circle inscribed in a portion outside the region where the attachment hole is formed. Protruding into the
In a state where the doughnut-shaped waterproof sheet is deployed, an inner peripheral portion of the region covering the drain hole of the donut-shaped waterproof sheet is more than a circle circumscribing a portion inside the region where the attachment hole is formed. Projecting inward,
In a state where the doughnut-shaped waterproof sheet is unfolded, when the diameter of the circle passing through the center position of the mounting hole is L1, and the diameter of the circle passing through the center position of the drain hole of the lower lid is L2, L1> An antenna cover characterized by satisfying L2.
JP2007043929A 2007-02-23 2007-02-23 Antenna cover Expired - Fee Related JP4447617B2 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013161531A (en) * 2012-02-01 2013-08-19 Nippon Dengyo Kosaku Co Ltd Terminal installation plate
JP5889451B1 (en) * 2015-01-26 2016-03-22 日本電業工作株式会社 Waterproof cover
JP2016046579A (en) * 2014-08-20 2016-04-04 日本電業工作株式会社 Waterproof cover
JP2016131202A (en) * 2015-01-14 2016-07-21 日本電業工作株式会社 Waterproof cover

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013161531A (en) * 2012-02-01 2013-08-19 Nippon Dengyo Kosaku Co Ltd Terminal installation plate
JP2016046579A (en) * 2014-08-20 2016-04-04 日本電業工作株式会社 Waterproof cover
JP2016131202A (en) * 2015-01-14 2016-07-21 日本電業工作株式会社 Waterproof cover
JP5889451B1 (en) * 2015-01-26 2016-03-22 日本電業工作株式会社 Waterproof cover
JP2016139852A (en) * 2015-01-26 2016-08-04 日本電業工作株式会社 Waterproof cover

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