发明名称 SPEAKER
摘要 PURPOSE:To prevent abnormal sound dependent upon the sputter caused at a spot welding time of a frame and a yoke plate by defining the most outside diameter of the spider smaller than the most inside diameter of the frame and sticking them by adhesive.
申请公布号 JPS53120518(A) 申请公布日期 1978.10.21
申请号 JP19770034523 申请日期 1977.03.30
申请人 HITACHI LTD 发明人 ITOU TAMOTSU;MORI TOORU
分类号 H04R9/02;H04R9/06;(IPC1-7):04R9/06 主分类号 H04R9/02
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