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发明名称
UHRARMBAND.
摘要
申请公布号
DE1600460(U)
申请公布日期
1950.02.02
申请号
DE194900D4551U
申请日期
1949.03.30
申请人
ERICH GRAF
发明人
ERICH GRAF
分类号
主分类号
代理机构
代理人
主权项
地址
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