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经营范围
发明名称
Improvements in or relating to the purification of naphthalene
摘要
申请公布号
GB651154(A)
申请公布日期
1951.03.14
申请号
GB19480014238
申请日期
1948.05.26
申请人
THE GAS LIGHT AND COKE COMPANY;WILLIAM EDWARD ARMSTRONG;ALEC BRAMLEY DENSHAM;ROLAND HALL GRIFFITH
发明人
分类号
C07C7/12
主分类号
C07C7/12
代理机构
代理人
主权项
地址
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