TETNINGSANORDNING I BERGGBORRHAL,申请号SE19740003409-传众专利搜索

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发明名称	TETNINGSANORDNING I BERGGBORRHAL
摘要
申请公布号	SE391373(B)	申请公布日期	1977.02.14
申请号	SE19740003409	申请日期	1974.03.14
申请人	AVANTI-MASKINER AB	发明人	ENGWALL S
分类号	E21B33/00;E21B33/10;(IPC1-7):21B33/10	主分类号	E21B33/00
代理机构		代理人
主权项
地址

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