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发明名称
BETRACHTUNGSGERAET FUER DURCHSICHTSBILDER.
摘要
申请公布号
DE1765576(U)
申请公布日期
1958.04.24
申请号
DE195800S5949U
申请日期
1958.01.23
申请人
ARMIN SAUER
发明人
ARMIN SAUER
分类号
主分类号
代理机构
代理人
主权项
地址
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