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经营范围
发明名称
CATHODE RAY TUBE
摘要
申请公布号
CA894401(A)
申请公布日期
1972.02.29
申请号
CAD894401
申请日期
申请人
SONY CORPORATION
发明人
SENRI MIYAOKA
分类号
H01J29/70;H01J29/92;H01J31/20;(IPC1-7):H01J31/20
主分类号
H01J29/70
代理机构
代理人
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