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发明名称
Mehrzweckröhre, insbesondere für Bodenentwässerungsleitungen
摘要
申请公布号
CH383277(A)
申请公布日期
1964.10.15
申请号
CH19600013568
申请日期
1960.12.02
申请人
OBERHOLZER,FRITZ
发明人
OBERHOLZER,FRITZ
分类号
E02B11/00;(IPC1-7):E02B11/00
主分类号
E02B11/00
代理机构
代理人
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