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公开(公告)号：US20130340269A1
公开(公告)日：2013-12-26
申请号：US13834928
申请日：2013-03-15
发明人： Roy Masters , Christopher Mark Pedley , Paul Addy , Tim Hazelhurst , David Vis
IPC分类号： G01B13/18
摘要： A measurement device comprising a curved container containing a liquid, a first indicator that is less dense than the liquid, and a second indicator that is more dense than the liquid, where the liquid substantially fills the container so that the position of the first indicator and/or second indicator in the container relative to the reference indicia may indicate an angle-related property of the device.
摘要翻译： 一种测量装置，包括容纳液体的弯曲容器，比液体致密的第一指示器和比液体更致密的第二指示器，其中液体基本上填充容器，使得第一指示器和 /或容器中相对于参考标记的第二指示符可以指示装置的角度相关属性。
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公开(公告)号：US09052188B2
公开(公告)日：2015-06-09
申请号：US13834928
申请日：2013-03-15
发明人： Roy Masters , Christopher Mark Pedley , Paul Addy , Tim Hazelhurst , David Vis
摘要： A measurement device comprising a curved container containing a liquid, a first indicator that is less dense than the liquid, and a second indicator that is more dense than the liquid, where the liquid substantially fills the container so that the position of the first indicator and/or second indicator in the container relative to the reference indicia may indicate an angle-related property of the device.
摘要翻译： 一种测量装置，包括容纳液体的弯曲容器，比液体致密的第一指示器和比液体更致密的第二指示器，其中液体基本上填充容器，使得第一指示器和 /或容器中相对于参考标记的第二指示符可以指示装置的角度相关属性。
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