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发明名称
Method and apparatus for controlling concentration
摘要
申请公布号
US2290473(A)
申请公布日期
1942.07.21
申请号
US19400314774
申请日期
1940.01.20
申请人
FOOD MACHINERY CORPORATION
发明人
KALMAR ARTHUR F.;HUGUENIN WILLIAM R.
分类号
G05D21/02
主分类号
G05D21/02
代理机构
代理人
主权项
地址
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