| 发明名称 |
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| 摘要 |
PURPOSE:To simply detect by the use of optical means the flaw in the two sides of a transparent body, which has been conventionally considered difficuit. |
| 申请公布号 |
JPS6129453(B2) |
申请公布日期 |
1986.07.07 |
| 申请号 |
JP19760045521 |
申请日期 |
1976.04.23 |
| 申请人 |
HITACHI LTD |
发明人 |
TAKAMI KATSUMI;PPONMA NORIAKI |
| 分类号 |
G01N21/94;G01N21/89;G01N21/896;G01N21/958 |
主分类号 |
G01N21/94 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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