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经营范围
发明名称
Pumping mechanism
摘要
申请公布号
US1853252(A)
申请公布日期
1932.04.12
申请号
US19270164522
申请日期
1927.01.29
申请人
EDWIN P. CORBETT
发明人
BELL WILLIAM D.
分类号
F16N13/10
主分类号
F16N13/10
代理机构
代理人
主权项
地址
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