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发明名称
Art of purifying phosphoric acid
摘要
申请公布号
US1894289(A)
申请公布日期
1933.01.17
申请号
US19300425820
申请日期
1930.02.04
申请人
AMERICAN CHEMICAL PAINT COMPANY
发明人
WOOD BENJAMIN F.
分类号
C01B25/235
主分类号
C01B25/235
代理机构
代理人
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