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发明名称
Suction roll
摘要
申请公布号
US1821757(A)
申请公布日期
1931.09.01
申请号
US19290379237
申请日期
1929.07.18
申请人
DOWNINGTOWN MANUFACTURING COMPANY
发明人
KILBERRY GEORGE D.
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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