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发明名称
VACUUM CONTACT SYSTEM
摘要
申请公布号
EP0221621(A3)
申请公布日期
1989.04.05
申请号
EP19860300918
申请日期
1986.02.11
申请人
PARKER GRAPHICS LIMITED
发明人
FOSH, BRIAN FREDERICK
分类号
G03B27/20;(IPC1-7):G03B27/20
主分类号
G03B27/20
代理机构
代理人
主权项
地址
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