| 发明名称 |
BURIED METAL PIPE DETECTOR AND RECEIVER |
| 摘要 |
PURPOSE:To improve measuring efficiency by detecting the horizontal and vertical components of the magnetic field by a buried metal by means of two sets of search coils. |
| 申请公布号 |
JPS5275352(A) |
申请公布日期 |
1977.06.24 |
| 申请号 |
JP19750151559 |
申请日期 |
1975.12.19 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
TAGUCHI MORIHIKO;HATASE TSUTOMU;KUKIDA JIYUUZOU |
| 分类号 |
G01V3/11;F16L1/00;G01V3/08;G01V3/10 |
主分类号 |
G01V3/11 |
| 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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