JPS5897812A - Cable drum supporting stand - Google Patents

Cable drum supporting stand

Info

Publication number
JPS5897812A
JPS5897812A JP56195657A JP19565781A JPS5897812A JP S5897812 A JPS5897812 A JP S5897812A JP 56195657 A JP56195657 A JP 56195657A JP 19565781 A JP19565781 A JP 19565781A JP S5897812 A JPS5897812 A JP S5897812A
Authority
JP
Japan
Prior art keywords
cable drum
frame
cable
vertical
hanging rod
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.)
Pending
Application number
JP56195657A
Other languages
Japanese (ja)
Inventor
Takeshi Ogawa
武 小川
Toshio Hida
飛田 利夫
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP56195657A priority Critical patent/JPS5897812A/en
Publication of JPS5897812A publication Critical patent/JPS5897812A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • H01F41/06Coil winding
    • H01F41/098Mandrels; Formers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coil Winding Methods And Apparatuses (AREA)

Abstract

PURPOSE:To simply and easily rotate and move a cable drum to a horizontal or vertical arrangement and change it, by providing a slide mechanism part to receive the weight of cable drum side surface and thus rotate the cable drum smoothly on the inside of a rotary frame. CONSTITUTION:To make the cable drum 11 held horizontally vertical, by turning a handle 30d of a decelerator 30 for a rotational movement drive 21 in the direction of the arrow A, a gear 29 is slowly driven via a transmission mechanism part 30c through a small gear and a chain 29a. By gradually rotating and moving the rotary frame wherein a rotary shaft 28 is fixed in the direction of the arrow B as the gear 29 moves, the cable drum 11 can be changed vertical. A flange 11a of the cable drum 11 rotated and moved to a vertical position is charged with load via a check plate 11b by a plurality of ball bearings 22a of a smooth mechanism 22 resulting in free rotation. Thus, the cable 10 is led out from the vertically changed cable drum 11 and can be wound up around an insulation cylinder vertically provided.

Description

【発明の詳細な説明】 発明の技術分野 本発明は変圧器コイル巻作業に適し九ケーブルドラムを
保持する反転機構を備えたケーブルドラム架台装置に関
する。
Description: TECHNICAL FIELD OF THE INVENTION The present invention relates to a cable drum mounting device suitable for transformer coil winding operations and equipped with a reversing mechanism for holding nine cable drums.

発明の技術的背景 従来の変圧器コイル巻作業は第1図に示すように絶縁筒
(1)の軸線を水平にして行なう横巻方法と、第2図に
示すように絶縁筒(1)の軸線を垂直にして行なう縦巻
方法とがある。この横巻方法においてはケーブルドラム
(2)の軸線は絶縁筒(1)と同様に水平状態にしてケ
ーブルドラム(2)からケーブル(3)を巻戻しながら
絶縁筒(1)K巻付けるため特に問題はない。
TECHNICAL BACKGROUND OF THE INVENTION Conventional transformer coil winding operations include the horizontal winding method, in which the axis of the insulating tube (1) is horizontal, as shown in FIG. There is a vertical winding method in which the axis is vertical. In this horizontal winding method, the axis of the cable drum (2) is kept horizontal like the insulating tube (1), and the cable (3) is wound around the insulating tube (1) K while unwinding from the cable drum (2). No problem.

背景技術の問題点 4 しかし、縦巻方法においては絶縁筒(1)を垂直に
おきケーブル(1)を水平に置いて巻付けを行なう丸メ
ケーブルドラム(2)よ抄巻戻されたケーブル(3)は
ケーブルドラム(1)と絶縁筒(1)との間で角度90
度振りれる現象が生じ、ケーブル(3)が変形され、ケ
−プル(3)K巻回されている絶縁紙が損傷するおそれ
があり、変圧器としての性能に悪影響を及ぼす原因とも
なる。
Problem 4 in the Background Art However, in the vertical winding method, the unwound cable ( 3) is an angle of 90 between the cable drum (1) and the insulating tube (1).
A swinging phenomenon may occur, deforming the cable (3), and damaging the insulating paper around which the cable (3) K is wound, which may adversely affect the performance of the transformer.

このため縦巻時にはケーブルドラム(2)の軸線を絶縁
筒(1)と同様に垂直にする必要がある。しかしながら
、このケーブルドラム(2)の反転をクレーンなど用い
て行なうと重心移動が生じ、ケーブルドラム(2)に急
激な力が加えられ、巻付けであるケーブル(3)が崩れ
重なり合う現象が生じて、ケーブル(3)を巻戻した場
合ケーブル(3)が損傷する原因となる1、またケーブ
ル(2)を反転して、そのま\の状態でケーブルドラム
(2)を支持するケーブルドラム架台とすることも゛要
求されてい友。
Therefore, when winding vertically, it is necessary to make the axis of the cable drum (2) vertical like the insulating cylinder (1). However, when this cable drum (2) is reversed using a crane or the like, the center of gravity shifts, a sudden force is applied to the cable drum (2), and the cable (3) that is wrapped around it collapses and overlaps. , If the cable (3) is unwound, it may cause damage to the cable (3) 1. Also, the cable drum mount that supports the cable drum (2) with the cable (2) reversed and in the same state. Friend is also required to do.

発明の目的 本発明は上記の点を一考慮してなされ丸もので、その目
的とするところは、縦巻作業においてケーブルドラムを
容具に1かつ安全に反転できる反転機能を備え九ケーブ
ルドラム架台装置を提供することにある。
OBJECTS OF THE INVENTION The present invention has been made in consideration of the above points, and its purpose is to provide a nine-cable drum mount having a reversing function for safely reversing a cable drum into a container during vertical winding work. The goal is to provide equipment.

発明の概要 本発明は、ケーブルドラムに吊棒を通し、この吊棒の両
端を回転フレームに設けられたクランプ部に固着し、吊
棒と直角方向に設けられた回転フレームの回転軸部を支
持架台に支持し、この(ロ)転輪部を介して回転フレー
ムを回動する回動駆動部を支持架台に取付け、回転フレ
ームを水平配置から回動して垂直配置とした際に、ケー
ブルドラムの側面の重重を受けてケーブルドラムを円滑
に回転させる滑動機構部を回転フレームの内側に設は九
ことを特徴とし、ケーブルドラムを簡単かつ害鳥に水平
又は垂直配置に回動して変更することができる 発明の実施例 以下本発明を図面に示す一実施例を参照して説明する。
Summary of the Invention The present invention involves passing a hanging rod through a cable drum, fixing both ends of the hanging rod to clamps provided on a rotating frame, and supporting a rotating shaft portion of the rotating frame provided perpendicularly to the hanging rod. A rotation drive unit that is supported by a pedestal and rotates the rotating frame via this (b) rolling wheel part is attached to the support pedestal, and when the rotating frame is rotated from a horizontal arrangement to a vertical arrangement, the cable drum The cable drum is characterized in that a sliding mechanism part that smoothly rotates the cable drum under the weight of the side surface is installed inside the rotating frame, and the cable drum can be easily and easily rotated to a horizontal or vertical position. DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to an embodiment shown in the drawings.

第1図において、ケーブルaのを巻(ロ)して貯線し九
ケーブルドラムaX)の中心に吊棒a湯を挿過する。こ
の吊棒α湯の両端を、回転フレームu謙を形成する円板
状フレーム(ハ)とこれと対向するフレーム■とに夫々
はぼ中央に設けられ九クランプ部Q7)、(IIK固着
する。この回転フレームa謙は対向した円板状フレーム
四とフレーム(1婦とを夫々i転軸フレームuIXtl
婦によって接合して、ケーブルドラムa1を囲むように
形成される。そしてこの対向し九両回転軸フレーム(I
II、賭にはケーブルドラムIを回転フレームQ3に装
着したときの合成重心位置に回転軸部uL ttlを設
け、かつこの回転軸部as、 (II。
In Fig. 1, cable a is wound (b) and stored, and a hanging rod a is inserted into the center of nine cable drums aX). Both ends of the hanging rod α are fixed to the disk-shaped frame (c) forming the rotating frame U-shaped and the frame (2) opposing this, provided at the center of each clamp portion Q7), (IIK). This rotary frame a is connected to the opposing disc-shaped frame 4 and the frame (1), respectively.
The cable drum a1 is formed by being joined by a cable member to surround the cable drum a1. And this nine-car rotating shaft frame (I
II. In the bet, a rotating shaft portion uL ttl is provided at the composite center of gravity position when the cable drum I is attached to the rotating frame Q3, and this rotating shaft portion as, (II.

軸心の方向は吊棒α湯の細心とほぼ直交するように配設
される。ま九回転軸部uL ulは夫々支持架台(7)
、(至)によって支持され、一方の支持架台(至)Kは
回転軸部USを回動させる回動駆動部121を配設する
The direction of the axis is arranged so as to be almost perpendicular to the length of the hanging rod α. The nine rotating shaft parts uL and ul are respectively support stands (7)
, (to), and one support frame (to) K is provided with a rotation drive section 121 that rotates the rotation shaft section US.

そして、後述するようにケーブルドラムIを回動して円
板状フレーム(至)を下側にして垂直配置とした際に、
円板状フレームα$の内側面にケーブルドラムαυのフ
ランジ(lla)の外側面と接して荷重を受けて円滑に
ケーブルドラムaυを回転させる丸めにItし機構部(
2)を設ける。
Then, as will be described later, when the cable drum I is rotated and placed vertically with the disc-shaped frame (end) facing downward,
The inner surface of the disc-shaped frame α is in contact with the outer surface of the flange (lla) of the cable drum αυ to receive a load and smoothly rotate the cable drum aυ.
2) will be provided.

第4図において、クランプ部aηは吊棒@の端部を受け
る半円溝を有する吊棒受−と、吊棒α4の端部を押える
クランプアーム(2◆と、このクラ/7’7−ム(至)
を開閉するときの支点軸@(第5図参照)とクランプす
るクランプハンドル(至)とからなり、夫々のクランプ
部Oηは円板状フレーム0及びフレーム舖に取付けられ
る。
In FIG. 4, the clamp part aη includes a hanging rod holder having a semicircular groove for receiving the end of the hanging rod @, a clamp arm (2◆) that presses the end of the hanging rod α4, and this clamp/7'7- Mu (to)
It consists of a fulcrum shaft for opening and closing (see FIG. 5) and a clamp handle for clamping, and each clamp part Oη is attached to the disc-shaped frame 0 and the frame.

第5図において、回転軸部(IIFi支持架台(2)の
支持柱(20m)に取付けられた軸受(ロ)と、回転軸
フレームαIK固着され軸受@に挿着される回転軸(2
)とから形成される。そして支持架台(至)は支持柱(
20a)とこれを支える支持腕(20b)とをペース(
20c)に固着して形成される。(第4図参照) また、第4図及び第5図において、回転駆動部01a一
方側の支持架台翰側に設けられ、回転軸(至)の軸受(
2)の外側に固着される歯車(2)はチェーン(29m
)を介して減速機(至)と連結され、この減速機(至)
はチェーン(29m)とかみ合う小歯車(30m)と支
持柱(20m)に取付台(30b)を介して取付けられ
る伝達機構部(30c)と、ハンドル(30d)とから
なり、ハンドル(30d)を矢印入方向に回転させると
減速されて回転フレームa3が矢印B方向に回動するよ
うに連結構成されている。
In Fig. 5, the bearing (b) attached to the support column (20 m) of the rotating shaft part (IIFi support frame (2)) and the rotating shaft (2) fixed to the rotating shaft frame αIK and inserted into the bearing @
) is formed from. And the support frame (to) is the support column (
20a) and the support arm (20b) that supports it at the pace (
20c). (See Fig. 4) In addition, in Figs. 4 and 5, a bearing (
The gear (2) fixed to the outside of the gear (2) is a chain (29m
) is connected to the reducer (to), and this reducer (to)
consists of a small gear (30m) that engages with a chain (29m), a transmission mechanism (30c) that is attached to a support column (20m) via a mount (30b), and a handle (30d). The rotary frame a3 is connected in such a manner that when it is rotated in the direction of the arrow B, the rotation frame a3 is decelerated and rotated in the direction of the arrow B.

そして第6図に示すように、円板状フレームQSにはケ
ーブルドラムa1)の外側に井桁状に組んだリブ(15
a)を取付け、この井桁の中央にクランプ部Iを設ける
。また第4図及び第5図に示すように円板状フレーム1
埼の内側に設けられる滑シ機構部(2)は、例えば複数
個のボール軸受(22m)を円板状フレームQ9内面の
周縁にほぼ等配に配設し、これに当接するケーブルドラ
ムaυのフランジ(11畠)の外側に7ランジ(l1m
)の側面の損傷を防ぐために、フランジ(lla)と#
1ぼ同等の大きさの尚て板(llb)を配設する。なお
、回転軸フレームa時には補強のためにリブ(18m)
を゛長手方向に沿って取付ける。
As shown in Fig. 6, the disk-shaped frame QS has ribs (15
a), and provide a clamp part I in the center of this grid. In addition, as shown in FIGS. 4 and 5, the disc-shaped frame 1
The sliding mechanism section (2) provided inside the cage has, for example, a plurality of ball bearings (22m) arranged approximately equally around the inner surface of the disc-shaped frame Q9, and the cable drum aυ that comes into contact with the ball bearings (22m). 7 lunges (11 m) on the outside of the flange (11 hatake)
) to prevent damage to the sides of the flange (lla) and #
A plate (llb) of the same size as 1 lb is provided. In addition, when using the rotating shaft frame a, there is a rib (18 m) for reinforcement.
Install along the longitudinal direction.

次に本発明のケーブルドラム架台装置の作用効果につい
て説明する。第4図に示すように回転フレーム峙を水平
になるようにしておき、ケーブルドラムUυに吊棒tI
3を通し、この吊棒働の両端をクレーン等で吊り上げ、
円板状フレーム−の内側から吊棒燵−の片側を挿入し、
クランプ部aカのクランプアーム(至)を開いて吊、棒
受r13Km棒a湯の一端をのせ、同様に他方のクラン
プ部Iのクランププーム(至)を開いて吊棒受−に他端
をのせ、両方のクランプアームC14を支点軸(至)を
軸にして閉じ、クランプハンドル(至)を廻して夫々の
吊棒0の両端を締付は保持する。そして、このように水
平に保持されたケーブルドラム←υを垂直にするには、
回動駆動部t21)の減速機(至)の・・ンドル(aO
d)を矢印入方向に回すと、伝達機構部(30c)を介
して小歯車(30m) 。
Next, the effects of the cable drum mount device of the present invention will be explained. As shown in Figure 4, keep the rotating frame horizontal and attach the hanging rod tI to the cable drum Uυ.
3, and lift both ends of this hanging rod with a crane, etc.
Insert one side of the hanging rod from inside the disc-shaped frame,
Open the clamp arm (end) of clamp part A and hang it up, place one end of the rod holder R13Km on the rod A, and similarly open the clamp arm (end) of the other clamp part I and attach the other end to the hanging rod holder. Then, both clamp arms C14 are closed around the fulcrum shaft (to), and the clamp handle (to) is turned to tighten and hold both ends of each hanging rod 0. And to make the cable drum ←υ vertical, which is held horizontally in this way,
of the reducer (to) of the rotary drive unit t21)...
When d) is turned in the direction of the arrow, the small gear (30m) is connected via the transmission mechanism part (30c).

チェーン(29m)を経て歯車(2)を緩やかに駆動す
る。
The gear (2) is slowly driven through the chain (29m).

歯車(2)につれて回転軸(至)が固着されている回転
フレーム(Elを矢印B方向に徐々に回動して、第7図
に示すようにケーブルドラムaυを垂直にすることがで
きる。このように垂直位置に回動されたケーブルドラム
IOフランジ(l1m)は当て板(l1m)を介して円
滑機構部−の複数個のボール軸受(22m)によって荷
重が分担され回転自在となる。
By gradually rotating the rotating frame (El) to which the rotating shaft (to) is fixed along with the gear (2) in the direction of arrow B, the cable drum aυ can be made vertical as shown in FIG. The cable drum IO flange (l1m) rotated to the vertical position as shown in FIG.

このように垂直になったケーブルドラムaOからケーブ
ル(1Gを引出し、図示しない垂直に設置した絶縁筒に
巻回することができる。なお、ケーブルドラムaυには
引張力がかるが減速機(至)がブレーキの作用をして、
ハンドル(304)を回さない駆動ケーブルドラムQD
は回動しない。また滑り機構部(2)はコロ軸受のよう
な他の回転軸受でもよい。さらに回動駆動部c1!υは
ハンドル車による手動について説明し友が、電動駆動あ
、るいは油圧駆動にすることもできる。
A cable (1G) can be pulled out from the vertical cable drum aO and wound around an insulating cylinder (not shown) installed vertically.Although a tensile force is applied to the cable drum aυ, the reducer (towards) act as a brake,
Drive cable drum QD without turning the handle (304)
does not rotate. Further, the sliding mechanism section (2) may be another rotating bearing such as a roller bearing. Furthermore, rotation drive part c1! υ describes manual operation with a steering wheel, but it can also be electrically driven, or hydraulically driven.

発明の詳細 な説明したように本発明のケーブルドラム架台装置によ
れば、変圧器の縦巻作業におけるケーブルドラムを水平
から垂直配置に容易に回動できしかもケーブルの品質を
損なうことなく、ま九安全に巻回作業を行うことができ
る。
DETAILED DESCRIPTION OF THE INVENTION As described in detail, the cable drum mount device of the present invention allows the cable drum to be easily rotated from a horizontal to a vertical position during vertical winding work of a transformer, without impairing the quality of the cable. Winding work can be performed safely.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第2図は夫々従来の変圧器コイル巻作業の横
巻及び縦巻方法を示す斜視図、第3図は本発明のケーブ
ルドラム架台装置を示す平面図、第4図は第3図の下側
側面図、第5図は第3図の右側側面図、第6図は第3図
の■−■線矢視側面図、第7図は第4図のケーブルドラ
ムを回動して垂直に保持した状態を示す側面図である。 四・・・ケーブル、Oυ・・・ケーブルドラム、α乃・
・・吊棒、Oj・・・LiF2 転フレーム、Q9・・
・円板状フレーム、顛・・・フレーム、a′rI・・・
クランプ部、ttS・・・回転軸フレーム、1!I・・
・回転軸部、(至)・・・支持架台、−υ・・・回動駆
11h部、(2)・・・Ig抄機構部、(至)・・・吊
棒受、(至)・・・クランゾf−ム、(至)・・・支点
軸、(至)・・・クランプハンドル、Q7)・・・軸受
、(至)・・・回転軸、(至)・・・歯車、(29m)
・・・ナエー/、(至)・・・減速機、(30m)・・
・小歯車、(30b)・・・取付口、(30c)・・・
伝達機構部、(30d)・・・ハンドル。 代理人 弁理士 井 上 −男
FIGS. 1 and 2 are perspective views showing the horizontal and vertical winding methods of conventional transformer coil winding work, respectively. FIG. 3 is a plan view showing the cable drum mounting device of the present invention, and FIG. Figure 5 is a right side view of Figure 3, Figure 6 is a side view of Figure 3 as seen from the ■-■ line, Figure 7 is a view of the rotating cable drum in Figure 4. FIG. 4...cable, Oυ...cable drum, αno.
・Hanging rod, Oj...LiF2 rotation frame, Q9...
・Disc-shaped frame, frame... frame, a'rI...
Clamp part, ttS...rotating shaft frame, 1! I...
・Rotating shaft part, (to)...Support frame, -υ...Rotary drive 11h part, (2)...Ig paper mechanism part, (to)...Hanging rod holder, (to)・...Cranzom, (to)...Fulcrum shaft, (to)...Clamp handle, Q7)...Bearing, (to)...Rotating shaft, (to)...Gear, ( 29m)
...nae/, (to)...reducer, (30m)...
・Small gear, (30b)...Mounting port, (30c)...
Transmission mechanism part, (30d)...handle. Agent Patent Attorney Inoue - Male

Claims (2)

【特許請求の範囲】[Claims] (1)  ケーブルドラムを装着する吊棒と、この吊棒
の両端を固定するクランプ部を有し前記ケーブルドラム
を囲むように形成され九回転フレームと、この回転フレ
ームに前記吊棒の軸心とほぼ直交し、かつこの回転フレ
ーム及び前記ケーブルドラムと台と、この支持架台に取
付けられ前記回転フレームを回動する回動駆動部と、こ
の−動駆動部によって前記ケーブルドラムを画直に回動
した後に下側となる前記ケーブルドラムの側面を回転自
在に支える滑り機構部とからなることを特徴とするケー
ブルドラム架台装置。
(1) A hanging rod to which the cable drum is mounted, a nine-rotation frame formed to surround the cable drum, having clamp parts for fixing both ends of the hanging rod, and a rotating frame having an axis of the hanging rod attached to the rotating frame. The rotary frame, the cable drum and the stand are substantially perpendicular to each other, and the rotary drive unit is attached to the support frame and rotates the rotary frame, and the cable drum is rotated perpendicularly to the image by the rotary drive unit. A cable drum mount device comprising: a sliding mechanism portion that rotatably supports the side surface of the cable drum that becomes the lower side after the cable drum is placed on the lower side.
(2)滑り機構部を回転フレームの内側にほぼ等配にボ
ール軸受けを配設した特許請求の範囲第1項記載のケー
ブルドラム架台装置。
(2) The cable drum mount device according to claim 1, wherein the sliding mechanism portion is provided with ball bearings approximately equally spaced inside the rotating frame.
JP56195657A 1981-12-07 1981-12-07 Cable drum supporting stand Pending JPS5897812A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56195657A JPS5897812A (en) 1981-12-07 1981-12-07 Cable drum supporting stand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56195657A JPS5897812A (en) 1981-12-07 1981-12-07 Cable drum supporting stand

Publications (1)

Publication Number Publication Date
JPS5897812A true JPS5897812A (en) 1983-06-10

Family

ID=16344815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56195657A Pending JPS5897812A (en) 1981-12-07 1981-12-07 Cable drum supporting stand

Country Status (1)

Country Link
JP (1) JPS5897812A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1191554A1 (en) * 2000-09-22 2002-03-27 Alstom Dispenser for the production of an electrical transformer
JP2016139744A (en) * 2015-01-28 2016-08-04 Tdk株式会社 Coil device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1191554A1 (en) * 2000-09-22 2002-03-27 Alstom Dispenser for the production of an electrical transformer
DE10047004C5 (en) * 2000-09-22 2004-03-18 Alstom Swiveling dispenser for the production of the winding of an electrical transformer
JP2016139744A (en) * 2015-01-28 2016-08-04 Tdk株式会社 Coil device

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