Appareil pour forage de puits et opérations analogues.,申请号CHD172997-传众专利搜索

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法人/股东/高管

发明名称	Appareil pour forage de puits et opérations analogues.
摘要
申请公布号	CH172997(A)	申请公布日期	1934.11.15
申请号	CHD172997	申请日期	1933.08.14
申请人	SOCIETE FRANCAISE DE CONSTRUCTION DE BENNES AUTOMATIQUES	发明人	SOCIETE FRANCAISE DE CONSTRUCTION DE BENNES AUTOMATIQUES
分类号	E21B11/04	主分类号	E21B11/04
代理机构		代理人
主权项
地址

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