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发明名称
DETECTING METHOD FOR PHASE DIFFERENCE
摘要
申请公布号
JPH05180879(A)
申请公布日期
1993.07.23
申请号
JP19910357785
申请日期
1991.12.26
申请人
NIPPON ELECTRIC IND CO LTD
发明人
HIRAO ATSUYUKI
分类号
G01R25/00;G06F7/02;G06F7/62;H02J3/40;H03L7/00
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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