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发明名称
Hydraulic spader and agitator for concrete block machines
摘要
申请公布号
US2492538(A)
申请公布日期
1949.12.27
申请号
US19480038296
申请日期
1948.07.12
申请人
SANSBURY THOMAS B
发明人
SANSBURY THOMAS B.
分类号
B28B1/04
主分类号
B28B1/04
代理机构
代理人
主权项
地址
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