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发明名称
摘要
申请公布号
JPS5223888(B2)
申请公布日期
1977.06.28
申请号
JP19750009375
申请日期
1975.01.23
申请人
发明人
分类号
B22D18/06;A61C13/20;B22D27/02;B22D47/00;C21C7/10;C22B9/04;F27D7/06
主分类号
B22D18/06
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