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经营范围
发明名称
An improved method of softening boiler feed water and apparatus therefor
摘要
申请公布号
GB634993(A)
申请公布日期
1950.03.29
申请号
GB19470000055
申请日期
1947.01.01
申请人
CESARE PICCARDO
发明人
分类号
C02F5/02
主分类号
C02F5/02
代理机构
代理人
主权项
地址
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