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发明名称
摘要
申请公布号
JPS57147506(U)
申请公布日期
1982.09.16
申请号
JP19810032844U
申请日期
1981.03.11
申请人
发明人
分类号
F21V23/02;F21V21/00;(IPC1-7):F21V23/02
主分类号
F21V23/02
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代理人
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