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发明名称
Improvements in means for controlling the flow of solid materials
摘要
申请公布号
GB329110(A)
申请公布日期
1930.05.15
申请号
GB19290010956
申请日期
1929.04.09
申请人
HUMPHREYS & GLASGOW, LIMITED;JOHN EDWIN GEORGE FRYER
发明人
分类号
B65D90/58
主分类号
B65D90/58
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代理人
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