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发明名称
Dust valve mechanism
摘要
申请公布号
US2368395(A)
申请公布日期
1945.01.30
申请号
US19420464720
申请日期
1942.11.06
申请人
THE ALLEN-SHERMAN-HOFF COMPANY
发明人
ALLEN FRANK B.
分类号
B65G53/42
主分类号
B65G53/42
代理机构
代理人
主权项
地址
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