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发明名称
VOICE ANNUNCIATOR FOR AUDITORY PHYSICALLY HANDICAPPED PERSON
摘要
申请公布号
JPS56148349(A)
申请公布日期
1981.11.17
申请号
JP19800053362
申请日期
1980.04.21
申请人
KOGYO GIJUTSUIN
发明人
SHIMIZU YUTAKA
分类号
G09B21/00;A61F11/04
主分类号
G09B21/00
代理机构
代理人
主权项
地址
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