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发明名称
Hobbing machine
摘要
申请公布号
US2451447(A)
申请公布日期
1948.10.12
申请号
US19420430780
申请日期
1942.02.13
申请人
BARBER-COLMAN COMPANY
发明人
RANSOME STAFFORD M.
分类号
B23F5/20;B23F5/22
主分类号
B23F5/20
代理机构
代理人
主权项
地址
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