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Chinese National Standard Category: Special electronic technology material |
English Title: | Specification for beryllia ceramic sleeves used in microwave electronic tubes |
Chinese Title: | 微波电子管用氧化铍陶瓷瓷筒规范 |
Standard No.: | SJ 20900-2004 |
Category No.: | L90 |
Issued by: | MOII |
Issued on: | 2004-8-2 |
Implemented on: | 2004-12-1 |
Status: | valid |
Superseded by: | |
Superseded on: | |
Abolished on: | |
Superseding: | |
Word Count: | 4500 words |
Similar Standards: | T/CEMIA 028-2022 GB 9000.16-1988 T/CEMIA 035-2023 GB 9620.8-1988 GB/T 37275-2018 T/CEMIA 032-2022 T/CEMIA 030-2022 GB 9620.7-1988 T/CEMIA 027-2022 T/CEMIA 036-2023 T/CEMIA 026-2021 T/CEMIA 034-2023 T/CEMIA 029-2022 GB 9622.8-1988 T/CEMIA 024-2021 GB 9395.10-1988 T/CEMIA 021-2019 GB/T 9533-1988 T/CEMIA 023-2021 T/CI 236-2023 |
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