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经营范围
发明名称
Grain cone
摘要
申请公布号
US2542476(A)
申请公布日期
1951.02.20
申请号
US19470739853
申请日期
1947.04.07
申请人
CARLSON FRED L
发明人
CARLSON FRED L.
分类号
B65G33/00
主分类号
B65G33/00
代理机构
代理人
主权项
地址
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