Rules for setting survey control marks and benchmarks at control monuments and vertical control network points.
Правила закладки центров и реперов на пунктах геодезической и нивелирной сетей. |
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MISC IALA Recommendations O 114 of 05-19-98Iala Recommendations O 114 of 05-19-98 Marking … |
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GOST 21880-94Broached mineral wool heat insulation mats. … |