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发明名称
Button panel key
摘要
申请公布号
US2638012(A)
申请公布日期
1953.05.12
申请号
US19500164018
申请日期
1950.05.24
申请人
REMINGTON RAND INC.
发明人
LEWIS PAUL G.
分类号
G05G1/01
主分类号
G05G1/01
代理机构
代理人
主权项
地址
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