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Submarine natural gas hydrate rock core acoustic wave plane strain gage device, has computer data collecting system provided with computer and temperature sensor, and displacement sensor for transmitting electric signal to computer. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-04
作者:  SONG Y LUO T LIU W LI Y SUN X
收藏  |  浏览/下载:14/0  |  提交时间:2019/12/02
Dynamic angle displacement measuring device, has square pole and sleeve fixed with metal strain carrying piece that is adhered with strain gauge, where strain gauge is connected with strain data collecting instrument by electric lead. 专利
申请日期: 2015-01-01, 公开日期: 2015-04-29
作者:  LI J LIN G LIU J ZHOU L MEI R
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/09
Optical fiber grating displacement sensor, contains support, protective steel pipe, spring and optical fiber grating strain sensor constructed of double steel pipe assembly structure. 专利
申请日期: 2006-01-01, 公开日期: 2006-03-08
作者:  REN L LI H
收藏  |  浏览/下载:1/0  |  提交时间:2020/01/02
Semiconductor laser coupler 专利
专利号: JP1988278394A, 申请日期: 1988-11-16, 公开日期: 1988-11-16
作者:  KUMAZAWA TETSUO;  SHIMAOKA MAKOTO;  FUKUDA KAZUYUKI
收藏  |  浏览/下载:6/0  |  提交时间:2020/01/13


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