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发明名称
Improvements in or relating to rotary pumps
摘要
申请公布号
GB605104(A)
申请公布日期
1948.07.15
申请号
GB19450033886
申请日期
1945.12.14
申请人
THE KEELAVITE COMPANY LIMITED;EDWARD HARRY JOHNSON
发明人
分类号
F04C2/08
主分类号
F04C2/08
代理机构
代理人
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地址
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