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发明名称
Tractor-type stock feed
摘要
申请公布号
US2797798(A)
申请公布日期
1957.07.02
申请号
US19550529511
申请日期
1955.08.19
申请人
THE HALLDEN MACHINE COMPANY
发明人
HALLDEN KARL WILLIAM
分类号
B21C1/30
主分类号
B21C1/30
代理机构
代理人
主权项
地址
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