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发明名称
摘要
申请公布号
JPS5883422(U)
申请公布日期
1983.06.06
申请号
JP19810176424U
申请日期
1981.11.27
申请人
发明人
分类号
B22F3/02;B07B1/00;B07B1/32;B22F1/00;B22F3/035;(IPC1-7):B22F1/00
主分类号
B22F3/02
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代理人
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