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发明名称
VORRICHTUNG ZUM REINIGEN VON VERSTOPFTEN KANAELEN
摘要
申请公布号
DD128166(B1)
申请公布日期
1980.02.27
申请号
DD19760195690
申请日期
1976.11.10
申请人
发明人
分类号
B08B9/04
主分类号
B08B9/04
代理机构
代理人
主权项
地址
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