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发明名称
Rotary plunger pump
摘要
申请公布号
US1901602(A)
申请公布日期
1933.03.14
申请号
US19300505702
申请日期
1930.12.31
申请人
JOHNSON SVEN A
发明人
JOHNSON SVEN A.
分类号
F04B1/04;F04B1/107
主分类号
F04B1/04
代理机构
代理人
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地址
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