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发明名称
AUSWECHSELBARE SCHUTZHUELLE FUER ZEITSCHRIFTEN OD. DGL.
摘要
申请公布号
DE1714331(U)
申请公布日期
1956.01.05
申请号
DE195500H9907U
申请日期
1955.10.18
申请人
HENRY FRANK HEYWOOD
发明人
HENRY FRANK HEYWOOD
分类号
主分类号
代理机构
代理人
主权项
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