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发明名称
摘要
申请公布号
JPS53157106(U)
申请公布日期
1978.12.09
申请号
JP19770063029U
申请日期
1977.05.17
申请人
发明人
分类号
C21B7/12;C04B37/02;(IPC1-7):C21B7/12;C23C7/00
主分类号
C21B7/12
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代理人
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