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发明名称
ELECTRONIC SANDGLASS
摘要
申请公布号
JPH02280085(A)
申请公布日期
1990.11.16
申请号
JP19890100702
申请日期
1989.04.20
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
GOSHIMA NORIAKI;SANO MASANORI;YAMAMOTO AKIRA;IKENISHI MICHIRO;IMAI MASATOSHI;SAKAMOTO KAZUYA;KAZAMA HIROYUKI;YODA HISAKO;IIDA KOICHI
分类号
G04F3/00
主分类号
G04F3/00
代理机构
代理人
主权项
地址
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