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发明名称
Concrete block handling device
摘要
申请公布号
US2646180(A)
申请公布日期
1953.07.21
申请号
US19490126558
申请日期
1949.11.10
申请人
NORTHWEST CONCRETE PRODUCTS CO.
发明人
SCHLOUGH LEON H.;SCHLOUGH WESLEY E.
分类号
B60P1/54
主分类号
B60P1/54
代理机构
代理人
主权项
地址
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