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发明名称
Asphaltic composition and method of preparing same
摘要
申请公布号
US2200484(A)
申请公布日期
1940.05.14
申请号
US19380200161
申请日期
1938.04.05
申请人
STANDARD OIL COMPANY
发明人
BATCHELDER AUGUSTUS H.
分类号
C10C3/08
主分类号
C10C3/08
代理机构
代理人
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地址
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