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发明名称
摘要
申请公布号
JPS53119414(U)
申请公布日期
1978.09.22
申请号
JP19770023213U
申请日期
1977.03.01
申请人
发明人
分类号
B22D45/00;B22D41/00;B22D41/50;C21C5/46;(IPC1-7):B22D41/00
主分类号
B22D45/00
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