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发明名称
COATING DAMAGE DETECTING METHOD AND APPARATUS OF PIPE LINE IN WATER
摘要
申请公布号
JPS549985(A)
申请公布日期
1979.01.25
申请号
JP19770075840
申请日期
1977.06.25
申请人
SUMITOMO METAL IND
发明人
HIROSHIMA TATSUO;OOGAKI ICHIROU;TANAKA YUKIO
分类号
G01N27/20
主分类号
G01N27/20
代理机构
代理人
主权项
地址
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