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经营范围
发明名称
DEVICE FOR CLOSING PIPELINE PARTICULARLY SEWAGE CONDUIT
摘要
申请公布号
HUT59982(A)
申请公布日期
1992.07.28
申请号
HU19900006333
申请日期
1990.10.04
申请人
NAGY,GABOR,HU
发明人
NAGY,GABOR,HU
分类号
E03F7/12;(IPC1-7):E03F7/12
主分类号
E03F7/12
代理机构
代理人
主权项
地址
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