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发明名称
Road making and treating apparatus
摘要
申请公布号
US2261871(A)
申请公布日期
1941.11.04
申请号
US19380199463
申请日期
1938.04.01
申请人
CARSWELL FRANK L
发明人
CARSWELL FRANK L.
分类号
E01C19/17
主分类号
E01C19/17
代理机构
代理人
主权项
地址
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