Bearing,申请号US19380231289-传众专利搜索

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法人/股东/高管

发明名称	Bearing
摘要
申请公布号	US2251469(A)	申请公布日期	1941.08.05
申请号	US19380231289	申请日期	1938.09.23
申请人	SMITH WILLIAM F	发明人	SMITH WILLIAM F.
分类号	D01H7/20	主分类号	D01H7/20
代理机构		代理人
主权项
地址

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