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发明名称
VORGEFERTIGTES DRAINAGEROHR
摘要
申请公布号
DE3609965(A1)
申请公布日期
1986.10.09
申请号
DE19863609965
申请日期
1986.03.25
申请人
OLIVERIA,CARLOS JOAQUIM COSTA MARTINS DE
发明人
DE OLIVEIRA,CARLOS JOAQUIM COSTA MARTINS
分类号
E02B11/00;F16L9/22;G02B6/44;G02B6/50;H02G9/06;H02G9/08;(IPC1-7):F16L9/22;E03F3/04
主分类号
E02B11/00
代理机构
代理人
主权项
地址
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