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发明名称
Hermetically sealed illuminated instrument
摘要
申请公布号
US2919344(A)
申请公布日期
1959.12.29
申请号
US19570662864
申请日期
1957.05.31
申请人
AVIEN, INC.
发明人
KADLEC LADISLAV;BECKER ARTHUR
分类号
G01D11/24
主分类号
G01D11/24
代理机构
代理人
主权项
地址
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