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发明名称
PIPE STRENGTHENER
摘要
申请公布号
IE812772(L)
申请公布日期
1982.05.27
申请号
IE19810002772
申请日期
1981.11.26
申请人
SNAMPROGETTI SPA
发明人
分类号
F16L9/00;F16L55/00;(IPC1-7):F16L9/00
主分类号
F16L9/00
代理机构
代理人
主权项
地址
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