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经营范围
发明名称
Metal tubing
摘要
申请公布号
US2086143(A)
申请公布日期
1937.07.06
申请号
US19360076291
申请日期
1936.04.24
申请人
HUFFEL ISADORE J VAN
发明人
HUFFEL ISADORE J. VAN
分类号
B21C37/10
主分类号
B21C37/10
代理机构
代理人
主权项
地址
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