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经营范围
发明名称
Grinding mill for grains
摘要
申请公布号
US1794972(A)
申请公布日期
1931.03.03
申请号
US19280295027
申请日期
1928.07.24
申请人
MAYER FRANK M
发明人
MAYER FRANK M.
分类号
B02C2/10;B02C9/00
主分类号
B02C2/10
代理机构
代理人
主权项
地址
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