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发明名称
Apparatus and method for continuous manufacture of seamed tubing
摘要
申请公布号
US2502012(A)
申请公布日期
1950.03.28
申请号
US19470750566
申请日期
1947.05.26
申请人
W. R. AMES COMPANY
发明人
KINKEAD AIAN
分类号
B21C37/08
主分类号
B21C37/08
代理机构
代理人
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地址
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