Card holder for railway equipment,申请号US19320603073-传众专利搜索

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发明名称	Card holder for railway equipment
摘要
申请公布号	US1980944(A)	申请公布日期	1934.11.13
申请号	US19320603073	申请日期	1932.04.04
申请人	MACLEAN-FOGG LOCK NUT CO.	发明人	ROWE LAWRENCE A.
分类号	B61D49/00	主分类号	B61D49/00
代理机构		代理人
主权项
地址

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