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经营范围
发明名称
Method of bleaching
摘要
申请公布号
US1768822(A)
申请公布日期
1930.07.01
申请号
US19280261697
申请日期
1928.03.14
申请人
BRADLEY-MCKEEFE CORPORATION
发明人
BRADLEY LINN;MCKEEFE EDWARD P.
分类号
D21C9/10
主分类号
D21C9/10
代理机构
代理人
主权项
地址
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