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经营范围
发明名称
Perfectionnements aux indicateurs d'ondes de compression
摘要
申请公布号
FR846672(A)
申请公布日期
1939.09.21
申请号
FRD846672
申请日期
1938.11.26
申请人
HENRY HUGHES & SON LIMITED
发明人
SPROULE DONALD ORR;HUGHES ARTHUR JOSEPH
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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