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发明名称
摘要
申请公布号
JPS5223887(B2)
申请公布日期
1977.06.28
申请号
JP19750084891
申请日期
1975.07.10
申请人
发明人
分类号
B22D18/08;B22D37/00;B22D39/06
主分类号
B22D18/08
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代理人
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