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发明名称
Method and apparatus for assembling disks or fins on tubes
摘要
申请公布号
US1869195(A)
申请公布日期
1932.07.26
申请号
US19260141593
申请日期
1926.10.14
申请人
B. F. STURTEVANT COMPANY
发明人
HEALY WILLIAM F.
分类号
B21C37/24
主分类号
B21C37/24
代理机构
代理人
主权项
地址
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