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发明名称
ANSCHLUSS DES UNTEREN ENDES EINES REGENFALLROHRES AN DAS OBERE ENDE EINES KANALISATIONSROHRES
摘要
申请公布号
DE1659289(B2)
申请公布日期
1973.01.18
申请号
DE19671659289
申请日期
1967.11.20
申请人
发明人
分类号
E04D13/08;(IPC1-7):E04D13/08
主分类号
E04D13/08
代理机构
代理人
主权项
地址
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