GUIDANCE SYSTEM FOR VERTICAL PIPE CONNECTIONS,申请号GB19800033933-传众专利搜索

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发明名称	GUIDANCE SYSTEM FOR VERTICAL PIPE CONNECTIONS
摘要
申请公布号	GB2085990(B)	申请公布日期	1984.05.31
申请号	GB19800033933	申请日期	1980.10.21
申请人	BROWN CONSTRUCTORS JOHN LTD	发明人
分类号	E21B33/038;E21B41/10;F16L1/26;(IPC1-7):F16L1/04	主分类号	E21B33/038
代理机构		代理人
主权项
地址

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