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发明名称
Method of constructing roads
摘要
申请公布号
US2704967(A)
申请公布日期
1955.03.29
申请号
US19510218093
申请日期
1951.03.28
申请人
GOLDEN BEAR OIL CO.
发明人
ROSTLER FRITZ S.
分类号
E01C3/06
主分类号
E01C3/06
代理机构
代理人
主权项
地址
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