| 发明名称 |
Sheathing and venting of resistance-tape level sensor |
| 摘要 |
Sheathing for a resistance-tape level sensor which provides a multiplicity of enclosing envelopes for guarding the critical inner electrical sensing element, and multiple venting paths for respiration and pressure-equalization of chambers formed by the separate envelopes.
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| 申请公布号 |
US4967594(A) |
申请公布日期 |
1990.11.06 |
| 申请号 |
US19890384266 |
申请日期 |
1989.07.24 |
| 申请人 |
METRITAPE, INC. |
发明人 |
EHRENFRIED, ALBERT D.;GUNNARSON, JOHN A.;PIERCE, WILLIAM E.;THORSTENSEN, THOMAS C. |
| 分类号 |
G01F23/18;G01F23/24;H01C1/032 |
主分类号 |
G01F23/18 |
| 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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