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
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