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发明名称
Dial lock
摘要
申请公布号
US2433794(A)
申请公布日期
1947.12.30
申请号
US19440525789
申请日期
1944.03.09
申请人
FARNSWORTH RESEARCH CORPORATION
发明人
SPRIGMAN ARTHUR
分类号
H03J1/06
主分类号
H03J1/06
代理机构
代理人
主权项
地址
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