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发明名称
New or improved apparatus for use in the manufacture of mastic asphalt and similar materials
摘要
申请公布号
GB346515(A)
申请公布日期
1931.04.16
申请号
GB19300005569
申请日期
1930.02.19
申请人
WALTER ERNEST BRAHAM
发明人
分类号
E01C19/10
主分类号
E01C19/10
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代理人
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