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发明名称
Improvements relating to bituminous road and the like materials and the method of making same
摘要
申请公布号
GB439272(A)
申请公布日期
1935.12.03
申请号
GB19350005865
申请日期
1935.02.23
申请人
ROBERT ILLEMANN
发明人
分类号
E01C7/18
主分类号
E01C7/18
代理机构
代理人
主权项
地址
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