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发明名称
PORTABLE PICTURE TRANSMISSION SYSTEM FOR BLIND PERSON
摘要
申请公布号
JPH02140068(A)
申请公布日期
1990.05.29
申请号
JP19880278976
申请日期
1988.11.04
申请人
HATA JUNICHI
发明人
HATA JUNICHI
分类号
H04N5/225;H04N5/232
主分类号
H04N5/225
代理机构
代理人
主权项
地址
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