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发明名称
摘要
申请公布号
CH573622(B5)
申请公布日期
1976.03.15
申请号
CH19710008638
申请日期
1971.06.14
申请人
REUGE SA
发明人
分类号
G04B23/00;(IPC1-7):G04B47/04;G04B45/02
主分类号
G04B23/00
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代理人
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