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| Chinese National Standard Category: Standardization and quality management |
| English Title: | Technical specification of engineering network planning |
| Chinese Title: | 工程网络计划技术规程 |
| Standard No.: | JGJ/T 121-1999 |
| Category No.: | P00 |
| Issued by: | MOC |
| Issued on: | 1999-8-4 |
| Implemented on: | 2000-2-1 |
| Status: | superseded |
| Superseded by: | JGJ/T 121-2015 Technical specification for engineering network planning |
| Superseded on: | 2015-11-1 |
| Abolished on: | |
| Superseding: | JGJ/T 1001-1991 |
| Word Count: | 10000 words |
| Similar Standards: | T/JSTERA 33-2021 DB32/T 4166-2021 DB32/T 4406-2022 GB/T 43213-2023 RB/T 083-2022 SL/T 423-2021 GB/T 38375-2019 GB/T 24358-2019 T/ZSQX 003-2018 T/ZSQX 004-2018 T/ZSQX 002-2018 DB37/T 3295-2018 DB37/T 3280-2018 DB37/T 3279-2018 DB37/T 3294-2018 GB/T 21334-2017 GB/T 33490-2017 DB43/T 244.2-2017 DB43/T 244.6-2017 DB43/T 244.4-2017 |
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