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发明名称
摘要
申请公布号
JPS5451922(U)
申请公布日期
1979.04.10
申请号
JP19770127050U
申请日期
1977.09.19
申请人
发明人
分类号
B22D43/00;B08B9/00;B08B9/08;B22D37/00;(IPC1-7):B22D43/00
主分类号
B22D43/00
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代理人
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