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发明名称
Improvements in or relating to crystal oscillators
摘要
申请公布号
GB804725(A)
申请公布日期
1958.11.19
申请号
GB19560018717
申请日期
1956.06.16
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
SPEARS RALPH AUBREY
分类号
H03B5/34
主分类号
H03B5/34
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