Clutch control for braking flywheels,申请号US19380220237-传众专利搜索

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法人/股东/高管

发明名称	Clutch control for braking flywheels
摘要
申请公布号	US2220517(A)	申请公布日期	1940.11.05
申请号	US19380220237	申请日期	1938.07.20
申请人	THE NATIONAL MACHINERY COMPANY	发明人	FRIEDMAN JOHN H.
分类号	B30B15/14	主分类号	B30B15/14
代理机构		代理人
主权项
地址

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