RAILROAD SPIKE STRAIGHTENER,申请号CAD912355-传众专利搜索

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发明名称	RAILROAD SPIKE STRAIGHTENER
摘要
申请公布号	CA912355(A)	申请公布日期	1972.10.17
申请号	CAD912355	申请日期
申请人	REX CHAINBELT INC.	发明人	WELTZIN B. BLIX, JR.
分类号	B21D37/10;B21G3/00;B21J7/28;B25C13/00;E01B31/00;(IPC1-7):E01B31/00	主分类号	B21D37/10
代理机构		代理人
主权项
地址

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