Composite machine element and method of making same,申请号US19380210651-传众专利搜索

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发明名称	Composite machine element and method of making same
摘要
申请公布号	US2178527(A)	申请公布日期	1939.10.31
申请号	US19380210651	申请日期	1938.05.28
申请人	THE S. K. WELLMAN COMPANY	发明人	WELLMAN SAMUEL K.
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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