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发明名称
Testing instrument
摘要
申请公布号
US3065417(A)
申请公布日期
1962.11.20
申请号
US19570702099
申请日期
1957.12.11
申请人
INTERNATIONAL CRYSTAL MANUFACTURING COMPANY
发明人
FREELAND ROYDEN R.
分类号
G01R23/09
主分类号
G01R23/09
代理机构
代理人
主权项
地址
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