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发明名称
Decolorizing material and method of producing same
摘要
申请公布号
US1792625(A)
申请公布日期
1931.02.17
申请号
US19260110960
申请日期
1926.05.22
申请人
FILTROL COMPANY OF CALIFORNIA
发明人
BAYLIS WALTER S.
分类号
B01J20/12
主分类号
B01J20/12
代理机构
代理人
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地址
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