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发明名称
Methods for improvement of asphalts
摘要
申请公布号
US3344056(A)
申请公布日期
1967.09.26
申请号
US19650512698
申请日期
1965.12.09
申请人
WITCO CHEMICAL COMPANY, INC.
发明人
ROSTLER FRITZ S.
分类号
C10C3/00
主分类号
C10C3/00
代理机构
代理人
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地址
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