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发明名称
摘要
申请公布号
BE652452(A)
申请公布日期
1964.12.16
申请号
BE19640652452
申请日期
1964.08.28
申请人
发明人
分类号
B41B19/01;G09G1/00;G09G1/18
主分类号
B41B19/01
代理机构
代理人
主权项
地址
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