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发明名称
Sewer bottom with sewer-bottom inner shell
摘要
申请公布号
CH630982(A5)
申请公布日期
1982.07.15
申请号
CH19780001128
申请日期
1978.02.02
申请人
STAUDENMAYER, WINFRIED (FIRMA)
发明人
WINFRIED STAUDENMAYER
分类号
E03F3/04;(IPC1-7):E03F3/00
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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