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发明名称
ROHRFORMSTUECK FUER GLEICHZEITIG BEWAESSERNDE ABWASSERKANAELE
摘要
申请公布号
DD156828(A1)
申请公布日期
1982.09.22
申请号
DD19810228211
申请日期
1981.03.12
申请人
LEDERMANN,LOTHAR,DD
发明人
LEDERMANN,LOTHAR,DD
分类号
A01G25/00;E03F3/04;(IPC1-7):E03F3/04
主分类号
A01G25/00
代理机构
代理人
主权项
地址
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