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发明名称
Apparatus for stacking powder grains
摘要
申请公布号
US2364113(A)
申请公布日期
1944.12.05
申请号
US19420425646
申请日期
1942.01.05
申请人
ROO ROBERT VAN
发明人
ROO ROBERT VAN
分类号
B65B35/50
主分类号
B65B35/50
代理机构
代理人
主权项
地址
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