Yoshiro Imai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Sealing device for rotary shaft and string-like member for defining...
- Patent number 4,463,957
- Issue date Aug 7, 1984
- Tanken Seiko Corp.
- Yataro Nagai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...