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发明名称
Constant delivery pump
摘要
申请公布号
US2620734(A)
申请公布日期
1952.12.09
申请号
US19480027294
申请日期
1948.05.15
申请人
MILTON ROY COMPANY
发明人
SAALFRANK ROYAL BARTLETT
分类号
F04B1/02;F04B9/02;F04B9/04;F04B11/00;F04B49/12
主分类号
F04B1/02
代理机构
代理人
主权项
地址
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