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经营范围
发明名称
Improved method or process of and apparatus for manufacturing artificial stone, specially applicable to concrete tiles
摘要
申请公布号
GB374358(A)
申请公布日期
1932.06.09
申请号
GB19310029408
申请日期
1931.05.26
申请人
ROBERT ABRAHAM LIMITED;ROBERT ASKEW ABRAHAM
发明人
分类号
B28B3/12
主分类号
B28B3/12
代理机构
代理人
主权项
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