BOORWERKTUIG.,申请号NL19720015206-传众专利搜索

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发明名称	BOORWERKTUIG.
摘要
申请公布号	NL170764(C)	申请公布日期	1982.12.16
申请号	NL19720015206	申请日期	1972.11.10
申请人	BOUYGUES SOCIETE ANONYME TE CLAMART, FRANKRIJK.	发明人
分类号	E21B10/12;E21B10/50;E21B10/52;E21D9/10;(IPC1-7):E21B10/12	主分类号	E21B10/12
代理机构		代理人
主权项
地址

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