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发明名称
摘要
申请公布号
JPS5680864(U)
申请公布日期
1981.06.30
申请号
JP19790158159U
申请日期
1979.11.16
申请人
发明人
分类号
B22D37/00;B22D11/10;B22D41/08;B22D41/42;B22D41/44;(IPC1-7):B22D37/00
主分类号
B22D37/00
代理机构
代理人
主权项
地址
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