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发明名称
EINRICHTUNG ZUR SUBJEKTIVEN AUGENPRUEFUNG.
摘要
申请公布号
DE1623452(U)
申请公布日期
1951.05.23
申请号
DE195000R1770U
申请日期
1950.06.17
申请人
OTTO ROSENBERG
发明人
OTTO ROSENBERG
分类号
主分类号
代理机构
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