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发明名称
GESPERRE
摘要
申请公布号
DE2621225(B2)
申请公布日期
1977.09.01
申请号
DE19762621225
申请日期
1976.05.13
申请人
发明人
分类号
G04C3/04;G04B11/04;G04B13/00;(IPC1-7):04B11/00
主分类号
G04C3/04
代理机构
代理人
主权项
地址
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