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发明名称
Rail bender
摘要
申请公布号
US2232724(A)
申请公布日期
1941.02.25
申请号
US19370147606
申请日期
1937.06.11
申请人
JOSEPH PAVELKA
发明人
PAVELKA JOSEPH
分类号
B21D7/06
主分类号
B21D7/06
代理机构
代理人
主权项
地址
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