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发明名称
摘要
申请公布号
JPS6134545(B2)
申请公布日期
1986.08.08
申请号
JP19810064272
申请日期
1981.04.30
申请人
KOKUYO KK
发明人
KANEDA SHINICHI
分类号
E04F15/00;E04F15/024
主分类号
E04F15/00
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