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发明名称
Dual unloading system
摘要
申请公布号
US1911951(A)
申请公布日期
1933.05.30
申请号
US19310506925
申请日期
1931.01.06
申请人
INGERSOLLRAND COMPANY
发明人
HAIGHT HARRY V.
分类号
F04B49/03
主分类号
F04B49/03
代理机构
代理人
主权项
地址
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