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经营范围
发明名称
SELECTION SYSTEM
摘要
申请公布号
US3748976(A)
申请公布日期
1973.07.31
申请号
USD3748976
申请日期
1971.06.30
申请人
IBM,US
发明人
FOWLER R,US;HEARD R,US
分类号
B41B21/04;(IPC1-7):B41B21/26
主分类号
B41B21/04
代理机构
代理人
主权项
地址
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