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发明名称
摘要
申请公布号
DE2046643(A1)
申请公布日期
1972.03.16
申请号
DE19702046643
申请日期
1970.09.14
申请人
SUHR D
发明人
分类号
G06K9/56;(IPC1-7):G06K9/00
主分类号
G06K9/56
代理机构
代理人
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地址
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