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| Standard Insuued on: 1980-07 |
SJ 1620-1980 Pulse modulator tubes,Type TM-90(J)
ＴＭ－９０型（Ｊ）脉冲调制管
| Category No.: | SJ | Valid Status: | valid |
| Issued Organization: | Ministry of Electronics Industry | Issued Date: | 1980-07-18 |
| Implemented Date: | 1981-1-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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