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发明名称
Keyboard switch
摘要
申请公布号
US2963564(A)
申请公布日期
1960.12.06
申请号
US19570696343
申请日期
1957.11.14
申请人
PACIFIC MERCURY TELEVISION MFG. CORP.
发明人
CUTLER STANLEY;SANDERS WALTER E.
分类号
G10H1/34
主分类号
G10H1/34
代理机构
代理人
主权项
地址
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