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发明名称
SCHUTZVORRICHTUNG FUER SCHIEFERTAFELN.
摘要
申请公布号
DE1617382(U)
申请公布日期
1950.12.07
申请号
DE195000Z0297U
申请日期
1950.04.06
申请人
ALBIN ZIMMERMANN
发明人
ALBIN ZIMMERMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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