professional marks in Vietnam
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- 04 professional marks used in testing and calibration in the field of defense in Vietnam
- 09:21, 30/10/2021
- On October 25, 2021, the Ministry of National Defense of Vietnam promulgated Circular 138/2021/TT-BQP regulating markings operation, management and use of professional marks in inspection, calibration and testing activities in the field of military and national defense.
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