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发明名称
摘要
申请公布号
JPS4719336(Y1)
申请公布日期
1972.07.01
申请号
JP19690075137U
申请日期
1969.08.07
申请人
发明人
分类号
(IPC1-7):F21V21/34
主分类号
(IPC1-7):F21V21/34
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代理人
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地址
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