Tête de balayage pour marteaux perforateurs et machines perforatrices de roches,申请号FRD887502-传众专利搜索

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发明名称	Tête de balayage pour marteaux perforateurs et machines perforatrices de roches
摘要
申请公布号	FR887502(A)	申请公布日期	1943.11.16
申请号	FRD887502	申请日期	1942.11.04
申请人	FLOTTMANN AKTIENGESELLSCHAFT	发明人
分类号	E21B21/02	主分类号	E21B21/02
代理机构		代理人
主权项
地址

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