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发明名称
COMBINATION PNEUMATIC AND GRAVITY DISCHARGE GATE FOR HOPPERS
摘要
申请公布号
US3445140(A)
申请公布日期
1969.05.20
申请号
USD3445140
申请日期
1967.10.05
申请人
PULLMAN INC.
发明人
ERNEST JOHN NAGY
分类号
B65D90/58;(IPC1-7):B65G53/40;B65G53/58
主分类号
B65D90/58
代理机构
代理人
主权项
地址
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