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发明名称
Viemärijärjestelmä
摘要
申请公布号
FI981512(A0)
申请公布日期
1998.07.01
申请号
FI19980001512
申请日期
1998.07.01
申请人
EVAC INTERNATIONAL OY
发明人
分类号
E03C1/122;E03F1/00;(IPC1-7):E03D
主分类号
E03C1/122
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