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经营范围
发明名称
Electric control
摘要
申请公布号
US2075951(A)
申请公布日期
1937.04.06
申请号
US19350017073
申请日期
1935.04.18
申请人
MCCABE IRA E
发明人
MCCABE IRA E.
分类号
G08B21/00
主分类号
G08B21/00
代理机构
代理人
主权项
地址
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STEPPING MOTOR AND RECORDING AND/OR PLAYING BACK DEVICE USING THE SAME
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