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发明名称
摘要
申请公布号
JPS5630443(Y2)
申请公布日期
1981.07.20
申请号
JP19780124469U
申请日期
1978.09.11
申请人
发明人
分类号
B22D17/20;B22D17/30;B29C37/00;B29C45/00;B29C45/53;B29C45/62;B29C45/74;(IPC1-7):B22D17/20;B29F1/02
主分类号
B22D17/20
代理机构
代理人
主权项
地址
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