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发明名称
PHASE DIFFERENCE MEASURING APPARATUS
摘要
申请公布号
CA426122(A)
申请公布日期
1945.03.13
申请号
CAD426122
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
MAURICE MOISE LEVY
分类号
主分类号
代理机构
代理人
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地址
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