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发明名称
摘要
申请公布号
JPS4811010(U)
申请公布日期
1973.02.07
申请号
JP19710052730U
申请日期
1971.06.19
申请人
发明人
分类号
C23C8/22;C21D1/74;C21D1/76;(IPC1-7):C23C11/10
主分类号
C23C8/22
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代理人
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