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发明名称
摘要
申请公布号
JPS436545(Y1)
申请公布日期
1968.03.23
申请号
JP19650039034U
申请日期
1965.05.18
申请人
发明人
分类号
G02B5/08;A47G1/00;A47G1/02;(IPC1-7):G02B5/08
主分类号
G02B5/08
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代理人
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