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发明名称
Machine for corrugating sheet metal
摘要
申请公布号
US1766743(A)
申请公布日期
1930.06.24
申请号
US19280265485
申请日期
1928.03.28
申请人
THE AMERICAN ROLLING MILL COMPANY
发明人
FREEZE JONATHAN ROY
分类号
B21D13/04
主分类号
B21D13/04
代理机构
代理人
主权项
地址
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