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发明名称
摘要
申请公布号
JPS472739(Y1)
申请公布日期
1972.01.29
申请号
JP19690078915U
申请日期
1969.08.21
申请人
发明人
分类号
(IPC1-7):C21D1/00;B65G25/02;C21D1/00;F27B9/30
主分类号
(IPC1-7):C21D1/00
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