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发明名称
Speed-change mechanism
摘要
申请公布号
US2269290(A)
申请公布日期
1942.01.06
申请号
US19400320805
申请日期
1940.02.26
申请人
GIDDINGS & LEWIS MACHINE TOOL CO.
发明人
SCHURGER GARNER H.
分类号
B23Q5/14
主分类号
B23Q5/14
代理机构
代理人
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地址
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