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发明名称
Vorrichtung zur Abroll-Sicherung von aufrollbaren Waenden, wie Projektionswaenden und Landkarten
摘要
申请公布号
DE1252932(B)
申请公布日期
1967.10.26
申请号
DE1965A048739
申请日期
1965.03.25
申请人
APPARATE- UND FORMENBAU WALTER GIERSIEPEN K. G.
发明人
BRAUN OTTO
分类号
A47B97/02;G03B21/58
主分类号
A47B97/02
代理机构
代理人
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地址
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