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发明名称
摘要
申请公布号
JPH067659(Y2)
申请公布日期
1994.02.23
申请号
JP19870059209U
申请日期
1987.04.21
申请人
发明人
分类号
A63J5/00;B06B1/04;E04F15/18;G10K15/04;H04R1/00;H04R9/00;(IPC1-7):H04R1/00
主分类号
A63J5/00
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