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发明名称
TUBO CORRUGADO
摘要
申请公布号
BR8300453(A)
申请公布日期
1983.11.01
申请号
BR19830000453
申请日期
1983.01.31
申请人
GUSTAV WAHLER GMBH U. CO.
发明人
ROLF DAHN
分类号
F16L9/06;F16L27/11;(IPC1-7):F16L9/06;F01N7/08
主分类号
F16L9/06
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代理人
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