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发明名称
摘要
申请公布号
DE2028043(A1)
申请公布日期
1971.12.16
申请号
DE19702028043
申请日期
1970.06.08
申请人
发明人
分类号
F22B7/12;F22B37/06;F28D21/00
主分类号
F22B7/12
代理机构
代理人
主权项
地址
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