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发明名称
Paving plate
摘要
申请公布号
US2153347(A)
申请公布日期
1939.04.04
申请号
US19360104747
申请日期
1936.10.09
申请人
BETHLEHEM STEEL COMPANY
发明人
SCHENCK CHARLES
分类号
E01C5/16
主分类号
E01C5/16
代理机构
代理人
主权项
地址
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