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发明名称
CASE OF CRYSTAL VIBRATOR
摘要
PURPOSE:To obtain a high vacuum miniature crystal vibrator case wherein the case itself acts as a getter material to absorb residuals gas by forming at least part of the case with Titanium or Zirconium and locally heating the case.
申请公布号
JPS53100792(A)
申请公布日期
1978.09.02
申请号
JP19770015248
申请日期
1977.02.15
申请人
CITIZEN WATCH CO LTD
发明人
GOTOU SUSUMU
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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