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发明名称
Aggregate coating apparatus
摘要
申请公布号
US2139027(A)
申请公布日期
1938.12.06
申请号
US19360099053
申请日期
1936.09.02
申请人
MCCONNAUGHAY KENNETH E
发明人
MCCONNAUGHAY KENNETH E.
分类号
E01C19/46
主分类号
E01C19/46
代理机构
代理人
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地址
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