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发明名称
摘要
申请公布号
JPS53112194(U)
申请公布日期
1978.09.07
申请号
JP19770016853U
申请日期
1977.02.15
申请人
发明人
分类号
F21V17/00;F21V21/30;(IPC1-7):F21V21/30
主分类号
F21V17/00
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