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发明名称
Hoehenverstellbare Kinnstuetze zur Verwendung beim Schreiben und Lesen
摘要
申请公布号
DE887316(C)
申请公布日期
1953.08.20
申请号
DE1952SC08424
申请日期
1952.01.01
申请人
SCHAFFER OTTOMAR DIPL.-ING.
发明人
SCHAFFER OTTOMAR DIPL.-ING.
分类号
B43L15/00
主分类号
B43L15/00
代理机构
代理人
主权项
地址
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