Rail way brake rigging,申请号US19390278719-传众专利搜索

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发明名称	Rail way brake rigging
摘要
申请公布号	US2246340(A)	申请公布日期	1941.06.17
申请号	US19390278719	申请日期	1939.06.12
申请人	GENERAL MOTORS CORPORATION	发明人	BLOMBERG MARTIN P.
分类号	B61H1/00	主分类号	B61H1/00
代理机构		代理人
主权项
地址

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