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发明名称
Feldstecher mit Tragriemen
摘要
申请公布号
DE941873(C)
申请公布日期
1956.04.19
申请号
DE1953Z003853
申请日期
1953.12.11
申请人
FA. CARL ZEISS
发明人
分类号
G02B23/18
主分类号
G02B23/18
代理机构
代理人
主权项
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