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经营范围
发明名称
ELEKTRISCH TOETSENBORD.
摘要
申请公布号
NL153690(B)
申请公布日期
1977.06.15
申请号
NL19740015261
申请日期
1974.11.22
申请人
N-DIMENSIONS, INC., MOUNTAIN VIEW, CALIFORNIE, VER. ST. V. AM.
发明人
分类号
G06C7/02;H01H1/26;H01H5/02;H01H13/50;H01H13/70;(IPC1-7):G06F3/02;H01H1/18
主分类号
G06C7/02
代理机构
代理人
主权项
地址
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