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发明名称
SWITCHING DEVICE
摘要
申请公布号
JPH03159687(A)
申请公布日期
1991.07.09
申请号
JP19890301334
申请日期
1989.11.20
申请人
TOSHIBA CORP
发明人
NISHIMURA HIROSHI
分类号
D06F39/00;D06F39/12
主分类号
D06F39/00
代理机构
代理人
主权项
地址
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