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Patents Grants
last 30 patents
Information
Patent Grant
Impact tool
Patent number
4,034,817
Issue date
Jul 12, 1977
Nippon Pneumatic Manufacturing Co., Ltd.
Hiroshi Okada
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Patent Grant
Pneumatic impact wrench with torque responsive control
Patent number
3,948,328
Issue date
Apr 6, 1976
Nippon Pneumatic Manufacturing Co., Ltd.
Masaaki Hiraoka
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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last 30 patents
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