Friction body for friction couplings, brakes, and the like,申请号US19280250635-传众专利搜索

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发明名称	Friction body for friction couplings, brakes, and the like
摘要
申请公布号	US1780710(A)	申请公布日期	1930.11.04
申请号	US19280250635	申请日期	1928.01.30
申请人	HANS KATTWINKEL	发明人	KATTWINKEL HANS
分类号	F16D69/02	主分类号	F16D69/02
代理机构		代理人
主权项
地址

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