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发明名称
Improvements in or relating to devices in roller and breast mills for regulating the grinding space
摘要
申请公布号
GB362159(A)
申请公布日期
1931.12.03
申请号
GB19300036609
申请日期
1930.12.04
申请人
OSCAR SODER
发明人
分类号
B02C4/34
主分类号
B02C4/34
代理机构
代理人
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