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发明名称
摘要
申请公布号
DE8522568(U1)
申请公布日期
1985.12.05
申请号
DE19850022568U
申请日期
1985.08.06
申请人
AUERHAHN, ERNST, 4130 MOERS, DE
发明人
分类号
G04B39/00;(IPC1-7):G04B39/00;G04B19/24
主分类号
G04B39/00
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