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经营范围
发明名称
Acid treatment of coking coals
摘要
申请公布号
US2336154(A)
申请公布日期
1943.12.07
申请号
US19400343553
申请日期
1940.07.02
申请人
AMERICAN CYANAMID COMPANY
发明人
WOLF CLAYTON S.
分类号
C10B53/08;C10L9/02
主分类号
C10B53/08
代理机构
代理人
主权项
地址
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