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发明名称
摘要
申请公布号
JPS6411756(B2)
申请公布日期
1989.02.27
申请号
JP19810205139
申请日期
1981.12.21
申请人
ASAHI DENKA KOGYO KK
发明人
NAGAI SHINICHI;SHIRASAWA YOSHIMASA;TAKAHASHI HIDEYASU;KOYAMA MASAYUKI
分类号
D21C5/02
主分类号
D21C5/02
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