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GBT 20256-2019 National Gravity Control Measurement Specification

Issuing organization: General Administration of Quality Supervision, Inspection and Quarantine / National Standardization Administration

Release time: 2019

Specification category:

Whether to abolish: No

new standard:

Old standard: GBT 20256-2006

GBT 20256-2019 National Gravity Control Measurement Specification.pdf


Baidu Web Disk:

Link: http://pan.baidu.com/s/1ULBZJWYwfX0jOEE8IJg30g

Extraction code: 7hm9