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发明名称
PACAGE OF SMALL SIZE PIEZO ELECTRIC OSCILLATOR
摘要
PURPOSE:To obtain a small size package with low cost and high reliability by air-tight sealing the resonator, with the flanges of cover and base resistorwelded under vacuum.
申请公布号
JPS5238894(A)
申请公布日期
1977.03.25
申请号
JP19750114282
申请日期
1975.09.23
申请人
CITIZEN WATCH CO LTD
发明人
OGURA YASUHIRO
分类号
H03H9/02;H03H9/10
主分类号
H03H9/02
代理机构
代理人
主权项
地址
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