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申请公布号
JPS5520060(U)
申请公布日期
1980.02.08
申请号
JP19780102547U
申请日期
1978.07.26
申请人
发明人
分类号
C21C1/00;C21C1/02;C21C5/56;F27D1/12;(IPC1-7):F27D1/12
主分类号
C21C1/00
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