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摘要
申请公布号
JPS5340690(U)
申请公布日期
1978.04.08
申请号
JP19760122949U
申请日期
1976.09.14
申请人
发明人
分类号
F21V21/36;F21V21/16;F21V21/38;H04R1/00;(IPC1-7):F21V21/16
主分类号
F21V21/36
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