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发明名称
VIROLA COMPLEMENTAR PARA JUNTA ENTRE ELEMENTOS DE TUBULACAO E CONJUNTO PARA TUBULACAO
摘要
申请公布号
BR9103369(A)
申请公布日期
1992.05.05
申请号
BR19910003369
申请日期
1991.08.05
申请人
PONT-A-MOUSSON S.A.
发明人
ALAIN PERCEBOIS
分类号
F16L37/24;F16L21/06;F16L21/08;(IPC1-7):F16L37/12
主分类号
F16L37/24
代理机构
代理人
主权项
地址
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