| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SJ 20841-2002 | English | 639 |
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Days<=4
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Interface requirement for crypto-equipment for generation Ⅱradio duplex mobile communication system
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SJ 20841-2002
| Valid |
SJ 20841-2002
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