Dispositif d'ancrage pour rails,申请号FRD821891-传众专利搜索

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发明名称	Dispositif d'ancrage pour rails
摘要
申请公布号	FR821891(A)	申请公布日期	1937.12.15
申请号	FRD821891	申请日期	1937.05.14
申请人	POOR & COMPANY	发明人
分类号	E01B13/02	主分类号	E01B13/02
代理机构		代理人
主权项
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