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发明名称
摘要
申请公布号
JPS4533857(Y1)
申请公布日期
1970.12.24
申请号
JP19670082162U
申请日期
1967.09.28
申请人
发明人
分类号
(IPC1-7):B22C9/08;B22C9/00
主分类号
(IPC1-7):B22C9/08
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