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发明名称
MOTOR SPEED CONTROLLER
摘要
申请公布号
CA504521(A)
申请公布日期
1954.07.20
申请号
CAD504521
申请日期
申请人
WHITE SEWING MACHINE CORPORATION
发明人
NATHANIEL E. COLEGROVE
分类号
主分类号
代理机构
代理人
主权项
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