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发明名称
PACKING IN THE FORM OF A TRUNCATED CONE FOR MAKING A WATERTIGHT SEAL BETWEEN THREADED CONNECTIONS
摘要
申请公布号
EP0468959(B1)
申请公布日期
1993.09.08
申请号
EP19890908499
申请日期
1989.07.24
申请人
BRUNO, SALVATORE
发明人
BRUNO, SALVATORE
分类号
F16L15/04
主分类号
F16L15/04
代理机构
代理人
主权项
地址
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