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发明名称
Intermittent mechanism
摘要
申请公布号
US2173230(A)
申请公布日期
1939.09.19
申请号
US19360115080
申请日期
1936.12.10
申请人
RADIO CORPORATION OF AMERICA
发明人
KELLOGG EDWARD W.
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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