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发明名称
摘要
申请公布号
JPS477760(Y1)
申请公布日期
1972.03.23
申请号
JP19680029068U
申请日期
1968.04.12
申请人
发明人
分类号
(IPC1-7):F21V17/00
主分类号
(IPC1-7):F21V17/00
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