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发明名称
MAGNETIC POWDER FLAW DETECTOR FOR STEEL PIPE
摘要
申请公布号
JPS5667747(A)
申请公布日期
1981.06.08
申请号
JP19790143805
申请日期
1979.11.08
申请人
DENSHI JIKI KOGYO KK
发明人
OIKAWA YOSHIROU
分类号
G01N27/83;G01N27/84
主分类号
G01N27/83
代理机构
代理人
主权项
地址
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