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发明名称
摘要
申请公布号
JPH0472775(B2)
申请公布日期
1992.11.19
申请号
JP19850042099
申请日期
1985.03.04
申请人
KATO ETSURO
发明人
KATO ETSURO
分类号
C01G25/00;C01G25/02;C30B29/16
主分类号
C01G25/00
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