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经营范围
发明名称
Flexible mandril for pipe or tube bending
摘要
申请公布号
US3315516(A)
申请公布日期
1967.04.25
申请号
US19640418457
申请日期
1964.12.15
申请人
FRANK SASSAK
发明人
SASSAK FRANK
分类号
B21D9/03
主分类号
B21D9/03
代理机构
代理人
主权项
地址
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