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发明授权
CN101448678B 水平仪 有权

水平仪
摘要：
水平仪(1)包括平面底座(14)和水平测量装置(27)，所述平面底座用于在使用时安置在其水平度需要确定的表面上，所述水平测量装置包括指管(41)，该指管充注有足够的液体使得一气泡(47)形成在指管(41)内，水平仪(1)包括标记(43，45)，随着水平仪(1)的方向变化，气泡(47)相对于所述标记移动，以指示水平仪的方向，光学装置(29)配备在水平仪(1)上，光学装置用来提供相对于标记(43，45)的气泡(47)位置的图像指示。
摘要（英）：

A spirit level (1) comprises a planar base (14) for resting, in use, on a surface whose level is to be determined, and levelling means (27) comprising a vial (41) filled with sufficient liquid that an air bubble (47) is formed within the vial (41). The spirit level (1) comprises indicia (43, 45) relative to which the bubble (47) moves as the orientation of the spirit level (1) is altered so as toindicate the orientation of the spirit level. Optical means (29) is provided on the spirit level (1) to provide an image indicative of the position of the bubble (47) relative to the indicia (43, 45).

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