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发明名称
摘要
申请公布号
JPS4916014(B1)
申请公布日期
1974.04.19
申请号
JP19700095445
申请日期
1970.10.27
申请人
发明人
分类号
B22D18/04;B22C9/24
主分类号
B22D18/04
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