| 发明名称 |
INDICATING SURFACE DEPRESSIONS IN A MATERIAL |
| 摘要 |
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| 申请公布号 |
CA904570(A) |
申请公布日期 |
1972.07.11 |
| 申请号 |
CAD904570 |
申请日期 |
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| 申请人 |
HER MAJESTY IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF FISHERI ES AND OCEANS |
发明人 |
PAUL GEORGE |
| 分类号 |
G01N21/898;G06M1/272;G06M3/02;(IPC1-7):G06M3/02 |
主分类号 |
G01N21/898 |
| 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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