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发明名称
Improvements in or relating to electric multichannel pulse modulator systems
摘要
申请公布号
GB635482(A)
申请公布日期
1950.04.12
申请号
GB19460012053
申请日期
1946.04.18
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H01J31/04;H04J3/04
主分类号
H01J31/04
代理机构
代理人
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地址
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