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发明名称
Improvements in foot-actuated air pumps
摘要
申请公布号
GB346838(A)
申请公布日期
1931.04.20
申请号
GB19300001891
申请日期
1930.01.20
申请人
DAVID AMBROSE MCERLANE;JAMES CULLEN POLLOK
发明人
分类号
F04B33/00
主分类号
F04B33/00
代理机构
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地址
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