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经营范围
发明名称
Block making apparatus
摘要
申请公布号
US2875499(A)
申请公布日期
1959.03.03
申请号
US19530367940
申请日期
1953.07.14
申请人
ROSS CHARLES R
发明人
ROSS CHARLES R.
分类号
B28B1/44;B28B3/02;B28B7/16
主分类号
B28B1/44
代理机构
代理人
主权项
地址
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