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发明名称
DUESE ZUM REINIGEN DES KIESGRUNDES IN AQUARIEN
摘要
申请公布号
DE7616131(U1)
申请公布日期
1976.11.04
申请号
DE19760016131U
申请日期
1976.05.20
申请人
MERTZENICH, HELMUT, 5100 AACHEN
发明人
分类号
(IPC1-7):A01K64/02
主分类号
(IPC1-7):A01K64/02
代理机构
代理人
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