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发明名称
Suction box
摘要
申请公布号
US2290777(A)
申请公布日期
1942.07.21
申请号
US19390249538
申请日期
1939.01.05
申请人
DOWNINGTOWN MANUFACTURING COMPANY
发明人
STREET EDWARD T.
分类号
D21F3/10
主分类号
D21F3/10
代理机构
代理人
主权项
地址
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