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经营范围
发明名称
Asphalt pouring device
摘要
申请公布号
US1909327(A)
申请公布日期
1933.05.16
申请号
US19310510049
申请日期
1931.01.20
申请人
WHYMER CHARLES H
发明人
WHYMER CHARLES H.
分类号
E01C23/09
主分类号
E01C23/09
代理机构
代理人
主权项
地址
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