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发明名称
Method of producing hot tops and risers, and template for making them
摘要
申请公布号
GB778039(A)
申请公布日期
1957.07.03
申请号
GB19550034778
申请日期
1955.12.05
申请人
DEGERFORS JARNVERKS AKTIEBOLAG
发明人
分类号
B22D7/10
主分类号
B22D7/10
代理机构
代理人
主权项
地址
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