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经营范围
发明名称
PUMPING CONDUIT SYSTEM
摘要
申请公布号
PL118915(B1)
申请公布日期
1981.11.30
申请号
PL19770196631
申请日期
1977.03.12
申请人
发明人
分类号
F04D1/00;B63B13/00;B63B43/06;(IPC1-7):B63B13/00
主分类号
F04D1/00
代理机构
代理人
主权项
地址
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