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发明名称
摘要
申请公布号
JPS5855502(B2)
申请公布日期
1983.12.09
申请号
JP19790133713
申请日期
1979.10.17
申请人
HITACHI METALS LTD
发明人
MARUYAMA TAKASHI;YAMASHITA KEITARO
分类号
G03G15/09;G03G21/00;G03G21/10
主分类号
G03G15/09
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