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发明名称
摘要
申请公布号
JPS56167415(U)
申请公布日期
1981.12.11
申请号
JP19800067673U
申请日期
1980.05.15
申请人
发明人
分类号
F21V21/16;(IPC1-7):F21V21/16
主分类号
F21V21/16
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代理人
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