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发明名称
Bituminous composition
摘要
申请公布号
US2391751(A)
申请公布日期
1945.12.25
申请号
US19420462748
申请日期
1942.10.20
申请人
H. H. ROBERTSON COMPANY
发明人
SNYDER PURDUM M.
分类号
C08K5/098
主分类号
C08K5/098
代理机构
代理人
主权项
地址
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