Procédé et appareil pour le sertissage des diamants des couronnes de sondage et autres outils tranchants cylindriques et creux,申请号FRD973704-传众专利搜索

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发明名称	Procédé et appareil pour le sertissage des diamants des couronnes de sondage et autres outils tranchants cylindriques et creux
摘要
申请公布号	FR973704(A)	申请公布日期	1951.02.14
申请号	FRD973704	申请日期	1941.11.19
申请人	SONDAGES, ETANCHEMENTS, CONSOLIDATIONS	发明人
分类号	B23P5/00	主分类号	B23P5/00
代理机构		代理人
主权项
地址

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