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发明名称
UHR.
摘要
申请公布号
DE1740386(U)
申请公布日期
1957.02.21
申请号
DE195600O3583U
申请日期
1956.10.06
申请人
JOSA OSWALD
发明人
JOSA OSWALD
分类号
G04B19/10;G04B45/00
主分类号
G04B19/10
代理机构
代理人
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地址
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