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发明名称
Improvements in or relating to the treatment of bitumen, bituminous preparations, tar and the like for electrical and other uses
摘要
申请公布号
GB339470(A)
申请公布日期
1930.12.11
申请号
GB19290036055
申请日期
1929.11.25
申请人
D. ANDERSON & SON, LIMITED;REGINALD OSWALD CHILD
发明人
分类号
C10C3/02
主分类号
C10C3/02
代理机构
代理人
主权项
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