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发明名称
摘要
申请公布号
JPS551324(B1)
申请公布日期
1980.01.12
申请号
JP19720045978
申请日期
1972.05.11
申请人
发明人
分类号
B22F9/08;C22C33/02;(IPC1-7):B22F9/08;B22F1/00
主分类号
B22F9/08
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代理人
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