Humio Yamazaki

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic fluid recording apparatus
- Patent number 4,401,998
- Issue date Aug 30, 1983
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Ushihara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS