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发明名称
Apparatus for leveling and hardening sheet or strip material
摘要
申请公布号
US2303096(A)
申请公布日期
1942.11.24
申请号
US19410392806
申请日期
1941.05.09
申请人
THADEN HERBERT V
发明人
THADEN HERBERT V.
分类号
B21D1/00
主分类号
B21D1/00
代理机构
代理人
主权项
地址
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