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发明名称
Powdered material conveyor system
摘要
申请公布号
US3291536(A)
申请公布日期
1966.12.13
申请号
US19640397699
申请日期
1964.09.21
申请人
SMOOT DAVID K
发明人
SMOOT DAVID K.
分类号
B65G53/46;B65G53/52
主分类号
B65G53/46
代理机构
代理人
主权项
地址
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