Joint pour rails de chemin de fer,申请号FRD769943-传众专利搜索

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发明名称	Joint pour rails de chemin de fer
摘要
申请公布号	FR769943(A)	申请公布日期	1934.09.04
申请号	FRD769943	申请日期	1934.03.12
申请人		发明人	SANOUILLER ELIE
分类号	E01B11/24	主分类号	E01B11/24
代理机构		代理人
主权项
地址

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