GB/T 12898-2009 Translated English of Chinese Standard. (GBT 12898-2009, GB/T12898-2009, GBT12898-2009): Specifications for the third and fourth order leveling

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https://www.chinesestandard.net, 2018. 6. 2. - 102페이지
This standard specifies the principles for the establishment of the third and fourth order leveling network, leveling methods, precision indicators and technical requirements. This standard applies to the deployment of the third and fourth order leveling network.
 

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목차

Foreword
4
Technical requirements of instrument
13
Crossriver leveling
25
Appendix A Normative Drawing format of selected stone burial data and mark
38
Appendix B Normative Instrument inspection method
58
Normative Crossriver leveling vane production and observation
83

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저자 정보 (2018)

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