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经营范围
发明名称
Improvements in or relating to rotary pumps
摘要
申请公布号
GB565263(A)
申请公布日期
1944.11.02
申请号
GB19430010617
申请日期
1943.06.30
申请人
ALAN WILLIAM SAY;THE PLESSEY COMPANY LIMITED
发明人
分类号
F04C11/00
主分类号
F04C11/00
代理机构
代理人
主权项
地址
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