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发明名称
Improvements in and relating to pumping apparatus
摘要
申请公布号
GB624385(A)
申请公布日期
1949.06.07
申请号
GB19460036785
申请日期
1946.12.13
申请人
BENGT OLSSON
发明人
分类号
F04F3/00;F04F10/00
主分类号
F04F3/00
代理机构
代理人
主权项
地址
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