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发明名称
Controlling means for operating an electronic oscillograph to produce a record
摘要
申请公布号
US2501352(A)
申请公布日期
1950.03.21
申请号
US19440563753
申请日期
1944.11.16
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
OPSAHL ALERT M.
分类号
G01R13/22
主分类号
G01R13/22
代理机构
代理人
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