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发明名称
Molding machine for making concrete building tile
摘要
申请公布号
US2489737(A)
申请公布日期
1949.11.29
申请号
US19460696542
申请日期
1946.09.12
申请人
BARTH ALBERT R
发明人
BARTH ALBERT R.
分类号
B28B7/18
主分类号
B28B7/18
代理机构
代理人
主权项
地址
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