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发明名称
Racking mechanism for use in dipping sheets and the like
摘要
申请公布号
US2141887(A)
申请公布日期
1938.12.27
申请号
US19370121239
申请日期
1937.01.18
申请人
KEYSTONE INDEX CARD COMPANY
发明人
THOMAS FREDERICK
分类号
B05C3/02
主分类号
B05C3/02
代理机构
代理人
主权项
地址
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