| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem wherein a level stuff for surveying easy to be handled by an assistant surveyor is desired, and a problem wherein the level stuff is desired to allow accurate survey without paying much care for verticalness to a reference face and verticalness to a surveying device direction. SOLUTION: In this level stuff for surveying a stuff surface is integer-divided by about 120°or less, in 360°around the center axis along a longitudinal direction of the stuff used in the survey, and the same or substantially same level rod is provided on each divided face. COPYRIGHT: (C)2007,JPO&INPIT
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