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发明名称
Apparatus for discharging powdered bulk materials
摘要
申请公布号
US2808968(A)
申请公布日期
1957.10.08
申请号
US19530382792
申请日期
1953.09.28
申请人
HOUSE WILLIAM R
发明人
HOUSE WILLIAM R.
分类号
B60P1/40
主分类号
B60P1/40
代理机构
代理人
主权项
地址
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