APPARATUS FOR MAKING CONNECTION TO GAS CONDUITS BEING IN OPERATION,申请号PL19800221224-传众专利搜索

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发明名称	APPARATUS FOR MAKING CONNECTION TO GAS CONDUITS BEING IN OPERATION
摘要
申请公布号	PL123975(B1)	申请公布日期	1982.12.31
申请号	PL19800221224	申请日期	1980.01.04
申请人		发明人
分类号	B23K;B23K7/10;F16L41/04;F16L55/18;F17D;(IPC1-7):F16L55/18	主分类号	B23K
代理机构		代理人
主权项
地址

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