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发明名称
Apparatus for rolling radiator core elements
摘要
申请公布号
US2378661(A)
申请公布日期
1945.06.19
申请号
US19420430122
申请日期
1942.02.09
申请人
JOHN SALZER
发明人
SALZER JOHN
分类号
B21D13/04;B21D53/04
主分类号
B21D13/04
代理机构
代理人
主权项
地址
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