Kitamura Iron Works, Ltd.

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Osaka, JP

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Hinge with no tubular portion and method of producing the same
- Patent number 4,658,471
- Issue date Apr 21, 1987
- Kitamura Iron Works, Ltd.
- Yoshiaki Nakanishi
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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