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发明名称
Machine for and method of bending tubing
摘要
申请公布号
US2310091(A)
申请公布日期
1943.02.02
申请号
US19420426257
申请日期
1942.01.09
申请人
KEPLER FRANCIS M
发明人
KEPLER FRANCIS M.
分类号
B21D7/08
主分类号
B21D7/08
代理机构
代理人
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地址
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