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经营范围
发明名称
Quaternary ammonium salts
摘要
申请公布号
US2641610(A)
申请公布日期
1953.06.09
申请号
US19510252003
申请日期
1951.10.18
申请人
MAY & BAKER LIMITED
发明人
BARBER HARRY JAMES
分类号
主分类号
代理机构
代理人
主权项
地址
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