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经营范围
发明名称
Cereal grinding
摘要
申请公布号
US2199030(A)
申请公布日期
1940.04.30
申请号
US19380196199
申请日期
1938.03.16
申请人
SAWYER
发明人
RITTER GEORGE F.;SAWYER STANLEY F.
分类号
B02C9/00
主分类号
B02C9/00
代理机构
代理人
主权项
地址
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