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发明名称
ACOPLAMENTO DE TUBOS
摘要
申请公布号
BR7704802(A)
申请公布日期
1978.05.02
申请号
BR19770004802
申请日期
1977.07.21
申请人
STRAUB I
发明人
STRAUB I
分类号
F16L21/06;F16J15/02;F16L17/04;F16L21/08;(IPC1-7):F16L19/03
主分类号
F16L21/06
代理机构
代理人
主权项
地址
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