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发明名称
摘要
申请公布号
JPS5211936(B2)
申请公布日期
1977.04.04
申请号
JP19740085820
申请日期
1974.07.24
申请人
发明人
分类号
B22D43/00;B22D37/00;F27D3/15
主分类号
B22D43/00
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代理人
主权项
地址
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