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Professional Standard Category: Professional Standard - Civil Aviation |
Category No.: | MH | Valid Status: | superseded |
Issued Organization: | Civil Aviation Administration of China | Issued Date: | 2010-5-12 |
Implemented Date: | 2010-8-1 | Abolished Date: | |
Superseded Standard.: | MH/T 4027-2019 Technical requirements of voice communication switching system for civil aviation air traffic control |
Superseded Date: | 2019-5-1 |
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