FREMGANGSMAATE FOR FORING AV UNDERGRUNNSROERLEDNING,申请号NO19870000492-传众专利搜索

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发明名称	FREMGANGSMAATE FOR FORING AV UNDERGRUNNSROERLEDNING
摘要
申请公布号	NO170741(B)	申请公布日期	1992.08.17
申请号	NO19870000492	申请日期	1987.02.09
申请人	BRITISH GAS PLC	发明人	STORAH, BRIAN WALTER
分类号	B29C49/26;B29C63/34;F16L55/16;F16L55/165;(IPC1-7):F16L55/162	主分类号	B29C49/26
代理机构		代理人
主权项
地址

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