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发明名称
Variable speed feed control devices
摘要
申请公布号
US2842249(A)
申请公布日期
1958.07.08
申请号
US19560558247
申请日期
1956.01.10
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
MORGAN WILLIAM F.;MUFFLEY ROBERT V.
分类号
主分类号
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代理人
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