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发明名称
Verfahren zur Entfernung von Verunreinigungen aus Kohlenstoffmaterialien
摘要
申请公布号
AT198730(B)
申请公布日期
1958.07.25
申请号
ATD198730
申请日期
1955.08.10
申请人
UNION CARBIDE CORPORATION
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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