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发明名称
SYNTHETIC BITUMEN PREPARATION
摘要
申请公布号
IE27733(L)
申请公布日期
1964.06.28
申请号
IE19630001264
申请日期
1963.12.27
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
分类号
(IPC1-7):C10C/00
主分类号
(IPC1-7):C10C/00
代理机构
代理人
主权项
地址
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