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发明名称
Apparatus for the manufacture of seamless metal tubes
摘要
申请公布号
US2768541(A)
申请公布日期
1956.10.30
申请号
US19530333544
申请日期
1953.01.27
申请人
STEWARTS AND LLOYDS LIMITED
发明人
MCLAY GAVIN SMELLIE
分类号
B21B21/04
主分类号
B21B21/04
代理机构
代理人
主权项
地址
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