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Instant estimation of vertical height under sloping ceilings, used by building professionals when certifying legally habitable zones
Instant estimation of vertical height under sloping ceilings, used by building professionals when certifying legally habitable zones
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机译:即时估计倾斜的天花板下的垂直高度,由建筑专业人员在认证可合法居住的区域时使用
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摘要
A rigid structure comprises articulated (7) or nestable sections which may be screwed together (2) to form a measuring staff 180 cm long (1). The staff has integral indicators of verticality (3) and an emplacement (4,6) for supplementary measuring devices
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