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发明名称
Process for colouring coal tar pitch mastic
摘要
申请公布号
GB568705(A)
申请公布日期
1945.04.17
申请号
GB19430009608
申请日期
1943.06.16
申请人
HIGHWAYS CONSTRUCTION LIMITED;GEORGE BERRY
发明人
分类号
C08K3/00
主分类号
C08K3/00
代理机构
代理人
主权项
地址
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