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发明名称
摘要
申请公布号
JPS4937170(B1)
申请公布日期
1974.10.07
申请号
JP19690072369
申请日期
1969.09.12
申请人
发明人
分类号
C23C10/28;C22F1/04
主分类号
C23C10/28
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代理人
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