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经营范围
发明名称
Improvements in or relating to thermostatically controlled quartz crystals
摘要
申请公布号
GB698076(A)
申请公布日期
1953.10.07
申请号
GB19490020475
申请日期
1949.08.05
申请人
PYE LIMITED
发明人
FULLER DENNIS QUINTRELL;BOWERS EDGAR
分类号
H03B5/34;H03H9/08
主分类号
H03B5/34
代理机构
代理人
主权项
地址
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