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经营范围
发明名称
Charging larry
摘要
申请公布号
GB778011(A)
申请公布日期
1957.07.03
申请号
GB19550016649
申请日期
1955.06.09
申请人
KOPPERS COMPANY INC.
发明人
分类号
C10B31/04
主分类号
C10B31/04
代理机构
代理人
主权项
地址
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