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发明名称
摘要
申请公布号
JPS4730556(U)
申请公布日期
1972.12.06
申请号
JP19710031086U
申请日期
1971.04.21
申请人
发明人
分类号
F21V7/00;F21V7/05;F24C15/22;(IPC1-7):F21V7/05
主分类号
F21V7/00
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代理人
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