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发明名称
Improvements in or relating to slidable-vane rotary pumps
摘要
申请公布号
GB703761(A)
申请公布日期
1954.02.10
申请号
GB19500030762
申请日期
1950.12.18
申请人
LOUIS WIDDOWS
发明人
分类号
F01C21/08;F04C2/344;F04C14/22
主分类号
F01C21/08
代理机构
代理人
主权项
地址
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