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发明名称
HEAD PHONE
摘要
申请公布号
JPH0515605(A)
申请公布日期
1993.01.26
申请号
JP19910195080
申请日期
1991.07.10
申请人
SHIZEN IGAKU KENKYUKAI:KK
发明人
YAMAZAKI KOHEI
分类号
A61N1/00;H04R1/10
主分类号
A61N1/00
代理机构
代理人
主权项
地址
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