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发明名称
摘要
申请公布号
NL6515281(A)
申请公布日期
1966.05.31
申请号
NL19650015281
申请日期
1965.11.24
申请人
发明人
分类号
B22D17/24;B22D19/00;F28F9/26;F28F21/08
主分类号
B22D17/24
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代理人
主权项
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