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发明名称
Rotary pump
摘要
申请公布号
US2039815(A)
申请公布日期
1936.05.05
申请号
US19320615347
申请日期
1932.06.04
申请人
LUPFER JAMES A
发明人
LUPFER JAMES A.
分类号
F04D5/00
主分类号
F04D5/00
代理机构
代理人
主权项
地址
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