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发明名称
Pump
摘要
申请公布号
US2449832(A)
申请公布日期
1948.09.21
申请号
US19460652634
申请日期
1946.03.07
申请人
BANCROFT HOWARD S
发明人
BANCROFT HOWARD S.
分类号
F04B19/02
主分类号
F04B19/02
代理机构
代理人
主权项
地址
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