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发明名称
Highway construction
摘要
申请公布号
US2174040(A)
申请公布日期
1939.09.26
申请号
US19360116320
申请日期
1936.12.17
申请人
MUTSCHLER LAWRENCE V
发明人
MUTSCHLER LAWRENCE V.
分类号
E01C11/04
主分类号
E01C11/04
代理机构
代理人
主权项
地址
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