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发明名称
A valve mechanism for granular material
摘要
申请公布号
GB922389(A)
申请公布日期
1963.03.27
申请号
GB19610038421
申请日期
1961.10.26
申请人
ALGEMENE KUNSTZIJDE UNIE N.V.
发明人
分类号
B65D90/62
主分类号
B65D90/62
代理机构
代理人
主权项
地址
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