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经营范围
发明名称
Purifying water
摘要
申请公布号
US2227520(A)
申请公布日期
1941.01.07
申请号
US19380201812
申请日期
1938.04.13
申请人
THE PERMUTIT COMPANY
发明人
TIGER HOWARD L.
分类号
B01J39/22;B01J49/00
主分类号
B01J39/22
代理机构
代理人
主权项
地址
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