Sugiyama Seisakusho Co., Ltd.

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Tokyo, JP

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Information Patent Grant
Cylindrical commutator securely fixed to mold resin
- Patent number 6,713,931
- Issue date Mar 30, 2004
- Sugiyama Seisakusho Co., Ltd.
- Yoshihisa Kamiya
- H01 - BASIC ELECTRIC ELEMENTS

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