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发明名称
OPTICAL MOUSE PAD
摘要
申请公布号
JPH11175247(A)
申请公布日期
1999.07.02
申请号
JP19970363994
申请日期
1997.12.17
申请人
NEC ENG LTD
发明人
NAKAMURA HIDEKI
分类号
G06F3/033;G06F3/039;(IPC1-7):G06F3/033
主分类号
G06F3/033
代理机构
代理人
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地址
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