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发明名称
MEASURING APPARATUS FOR INNER DIAMETER OF PIPE
摘要
申请公布号
JPH0495807(A)
申请公布日期
1992.03.27
申请号
JP19900213992
申请日期
1990.08.13
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
OGAWA SHIGEKI;KUWANO HIROKI
分类号
G01B11/12
主分类号
G01B11/12
代理机构
代理人
主权项
地址
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