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发明名称
Pavement
摘要
申请公布号
US1778736(A)
申请公布日期
1930.10.21
申请号
US19250020992
申请日期
1925.04.06
申请人
CHICAGO ART MARBLE COMPANY
发明人
STERN IRVING L.
分类号
E01C11/24
主分类号
E01C11/24
代理机构
代理人
主权项
地址
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