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发明名称
UHR.
摘要
申请公布号
DE1616919(U)
申请公布日期
1950.11.30
申请号
DE195000O0138U
申请日期
1950.10.28
申请人
DIPL.-ING. FRITZ OSWALD
发明人
DIPL.-ING. FRITZ OSWALD
分类号
G04B19/00
主分类号
G04B19/00
代理机构
代理人
主权项
地址
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