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经营范围
发明名称
Making tubing
摘要
申请公布号
US2216519(A)
申请公布日期
1940.10.01
申请号
US19380183225
申请日期
1938.01.03
申请人
BUNDY TUBING COMPANY
发明人
QUARNSTROM BERT L.
分类号
B21C37/08;C23C2/00;C23C2/38
主分类号
B21C37/08
代理机构
代理人
主权项
地址
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