Shingo Hirosawa

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Yokohama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Variable capacity type gear pump
- Patent number 4,022,551
- Issue date May 10, 1977
- Aikoh Co., Ltd.
- Shingo Hirosawa
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...