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发明名称
摘要
申请公布号
DE2724578(C2)
申请公布日期
1983.04.21
申请号
DE19772724578
申请日期
1977.05.31
申请人
PACKAGE EXHIBIT PROGRAMS, INC., NILES, ILL., US
发明人
DONOVAN, JOHN E., SKOKIE, ILL., US
分类号
G09F15/00;G09F19/18;(IPC1-7):G09F15/00
主分类号
G09F15/00
代理机构
代理人
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