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经营范围
发明名称
Road treating apparatus
摘要
申请公布号
US1938023(A)
申请公布日期
1933.12.05
申请号
US19320611905
申请日期
1932.05.17
申请人
INGALLS HENRY A
发明人
INGALLS HENRY A.
分类号
E01C21/00
主分类号
E01C21/00
代理机构
代理人
主权项
地址
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