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发明名称
Electric concrete molding process
摘要
申请公布号
US2841856(A)
申请公布日期
1958.07.08
申请号
US19550504525
申请日期
1955.04.28
申请人
GELBMAN LAWRENCE F
发明人
GELBMAN LAWRENCE F.
分类号
B28B7/42;B28C5/46
主分类号
B28B7/42
代理机构
代理人
主权项
地址
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