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发明名称
摘要
申请公布号
JPS5099920(A)
申请公布日期
1975.08.08
申请号
JP19750004193
申请日期
1974.12.28
申请人
发明人
分类号
B22D11/124;C21D1/00
主分类号
B22D11/124
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