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发明名称
Durch Fluessigkeits- oder Gasdruck in Rein- oder Abwasserrohren vorzutreibender Rohrreiniger
摘要
申请公布号
DE623106(C)
申请公布日期
1935.12.13
申请号
DE1934L085494D
申请日期
1934.03.10
申请人
WILHELM LANGBEIN;WILHELM LANGBEIN
发明人
分类号
B08B9/04
主分类号
B08B9/04
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