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经营范围
发明名称
Proportioner
摘要
申请公布号
US2682883(A)
申请公布日期
1954.07.06
申请号
US19500199657
申请日期
1950.12.07
申请人
发明人
分类号
A47L15/44;B01F5/04;G05D11/00
主分类号
A47L15/44
代理机构
代理人
主权项
地址
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