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发明名称
Device for feeding granular material
摘要
申请公布号
US1859655(A)
申请公布日期
1932.05.24
申请号
US19310560777
申请日期
1931.09.02
申请人
CZAPAR JR FRANK
发明人
JR. FRANK CZAPAR,
分类号
A47G19/24
主分类号
A47G19/24
代理机构
代理人
主权项
地址
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