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发明名称
Proportional liquid reagent feeding device actuated by fluid in a conduit
摘要
申请公布号
US2417372(A)
申请公布日期
1947.03.11
申请号
US19440518359
申请日期
1944.01.15
申请人
MORRIS HARRY W
发明人
MORRIS HARRY W.
分类号
C02F1/68;G05D11/08
主分类号
C02F1/68
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代理人
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