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发明名称
PUSH BUTTON OR KEYBOARD WITH DEPRESSABLE KEYS
摘要
申请公布号
GB2049292(A)
申请公布日期
1980.12.17
申请号
GB19800023256
申请日期
1979.11.28
申请人
SERRAS PAULET E
发明人
分类号
H01H13/20;H01H5/02;H01H13/12;H01H13/705;H01H13/807;(IPC1-7):H01H5/02
主分类号
H01H13/20
代理机构
代理人
主权项
地址
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