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发明名称
Water treatment pump with measuring trap
摘要
申请公布号
US2530682(A)
申请公布日期
1950.11.21
申请号
US19490079887
申请日期
1949.03.05
申请人
DIHYDROL COMPANY
发明人
COLDSNOW VAN B.
分类号
C02F1/68
主分类号
C02F1/68
代理机构
代理人
主权项
地址
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