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发明名称
INSPECTION BALL FOR INTERNAL PAINTED FILM OF PIPE AND INSPECTION THEREOF
摘要
申请公布号
JPH02147946(A)
申请公布日期
1990.06.06
申请号
JP19880300730
申请日期
1988.11.30
申请人
KANKYO GIJUTSU KENKYUSHO:KK
发明人
KAMIYA AKIRA
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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