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发明名称
UHR.
摘要
申请公布号
DE1769784(U)
申请公布日期
1958.07.03
申请号
DE195500B3588U
申请日期
1955.10.24
申请人
ERNEST BOREL & CIE, S. A.
发明人
分类号
G04B19/253;G04B39/00
主分类号
G04B19/253
代理机构
代理人
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