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经营范围
发明名称
Improvements in or relating to vaned rotary pumps or motors
摘要
申请公布号
GB848761(A)
申请公布日期
1960.09.21
申请号
GB19570020584
申请日期
1957.06.28
申请人
ANDREW FRASER
发明人
分类号
F01C1/344;F01C21/08;F04C2/344;F04C18/344
主分类号
F01C1/344
代理机构
代理人
主权项
地址
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