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经营范围
发明名称
Improvements in or relating to roller grinding mills
摘要
申请公布号
GB410295(A)
申请公布日期
1934.05.17
申请号
GB19330006783
申请日期
1933.03.06
申请人
ALBERT EDWARD BARRETT;DAVEY, PAXMAN & CO. (COLCHESTER) LIMITED
发明人
分类号
B02C4/18
主分类号
B02C4/18
代理机构
代理人
主权项
地址
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