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经营范围
发明名称
An improved process for the manufacture of lead chromate and a mixture of lead chromate and sulphate
摘要
申请公布号
GB515995(A)
申请公布日期
1939.12.20
申请号
GB19380008548
申请日期
1938.03.19
申请人
THE PRIESTMAN COLLIERIES LIMITED;THOMAS GLENWRIGHT FRENCH
发明人
分类号
C01G21/00
主分类号
C01G21/00
代理机构
代理人
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地址
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