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发明名称
摘要
申请公布号
JPH0220584(B2)
申请公布日期
1990.05.09
申请号
JP19860135536
申请日期
1986.06.11
申请人
SUMITOMO SPEC METALS
发明人
KAGEYAMA KEISUKE;FUJII HIROMITSU;TAKADA MITSUHIRO
分类号
C04B35/46;G11B5/235;G11B5/60;H01B3/12
主分类号
C04B35/46
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代理人
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