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经营范围
发明名称
Ring roller mill
摘要
申请公布号
GB805813(A)
申请公布日期
1958.12.10
申请号
GB19570022401
申请日期
1957.07.15
申请人
WOLFGANG PETERS
发明人
分类号
B02C15/00;B02C15/04
主分类号
B02C15/00
代理机构
代理人
主权项
地址
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