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发明名称
Improvements relating to oscillographic apparatus
摘要
申请公布号
GB577120(A)
申请公布日期
1946.05.06
申请号
GB19440007267
申请日期
1944.04.19
申请人
A. C. COSSOR LIMITED;ALBERT NICHOLAS MELCHIOR
发明人
分类号
G01R13/30
主分类号
G01R13/30
代理机构
代理人
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地址
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