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发明名称
Apparatus for forming radiators
摘要
申请公布号
US1749383(A)
申请公布日期
1930.03.04
申请号
US19270225703
申请日期
1927.10.12
申请人
JOHN KARMAZIN
发明人
KARMAZIN JOHN
分类号
B21D53/04
主分类号
B21D53/04
代理机构
代理人
主权项
地址
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