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发明名称
CONNETTORE PER TUBI CON ELEMENTO DI TENUTA FILETTATO IN UNA CAVITA' NON FILETTATA
摘要
申请公布号
IT1241158(B)
申请公布日期
1993.12.29
申请号
IT19900020386
申请日期
1990.05.21
申请人
F M C
发明人
LEMONS GEORGE DAVID
分类号
E21B21/01;F16L17/00;F16L19/02;F16L19/03;(IPC1-7):E21B
主分类号
E21B21/01
代理机构
代理人
主权项
地址
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