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发明名称
摘要
申请公布号
JPH0323557(B2)
申请公布日期
1991.03.29
申请号
JP19810119053
申请日期
1981.07.31
申请人
HITACHI LTD
发明人
SAKURAI HIDEKI;KIRA MITSUO;SAKAMOTO KENKICHI
分类号
C07F7/08
主分类号
C07F7/08
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