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发明名称
Improvements in or relating to the centrifugal moulding of cementatious substances
摘要
申请公布号
GB742772(A)
申请公布日期
1956.01.04
申请号
GB19530031786
申请日期
1953.11.17
申请人
JEAN MARIN
发明人
分类号
B28B21/30;B28B21/80
主分类号
B28B21/30
代理机构
代理人
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地址
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