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发明名称
Wavemeter
摘要
申请公布号
US2276743(A)
申请公布日期
1942.03.17
申请号
US19400320082
申请日期
1940.02.21
申请人
GENERAL ELECTRIC COMPANY
发明人
SHIMIZU TOSHIYUKI;HAMADA SHIGENORI
分类号
G01R23/04
主分类号
G01R23/04
代理机构
代理人
主权项
地址
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