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发明名称
Improvements in the process of, and apparatus for, producing channelled blocks and bricks of plastic material
摘要
申请公布号
GB340078(A)
申请公布日期
1930.12.24
申请号
GB19290032210
申请日期
1929.10.23
申请人
JOSEF BRAUN
发明人
分类号
B28B3/20;B28B11/00;B28B11/16
主分类号
B28B3/20
代理机构
代理人
主权项
地址
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