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发明名称
Improvements in the art of bitumen road making
摘要
申请公布号
GB469202(A)
申请公布日期
1937.07.21
申请号
GB19360008451
申请日期
1936.03.21
申请人
AXEL AXELSON JOHNSON
发明人
分类号
C08L95/00
主分类号
C08L95/00
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代理人
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