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发明名称
PHASE DIFFERENCE MEASURING DEVICE
摘要
申请公布号
SU785787(A1)
申请公布日期
1980.12.07
申请号
SU19792709424
申请日期
1979.01.08
申请人
MALTER ISAK G,SU
发明人
MALTER ISAK G,SU
分类号
G01R25/00;(IPC1-7):G01R25/00
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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