Haveuse,申请号FRD1027063-传众专利搜索

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发明名称	Haveuse
摘要
申请公布号	FR1027063(A)	申请公布日期	1953.05.07
申请号	FRD1027063	申请日期	1950.10.31
申请人	BRITISH JEFFREY-DIAMOND LIMITED	发明人
分类号	E21C27/46	主分类号	E21C27/46
代理机构		代理人
主权项
地址

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