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经营范围
发明名称
Cribbing
摘要
申请公布号
US1851959(A)
申请公布日期
1932.03.29
申请号
US19290349021
申请日期
1929.03.22
申请人
MASSEY CONCRETE PRODUCTS CORPORATION
发明人
HUNTOON JOHN S.
分类号
E02D29/02
主分类号
E02D29/02
代理机构
代理人
主权项
地址
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