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Standard Code | Standard Title | Standard Class | Order |
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GB/T 42756.4-2023 |
Card and identification security devices - Contactless proximity objects - Part 4: Transmission protocols 卡及身份识别安全设备 无触点接近式对象 第4部分:传输协议 |
China National Standards Card and identificat |
English PDF |
GB/T 42756.3-2023 |
Card and identification security devices - Contactless proximity objects - Part 3: Initialization and anti-collision 卡及身份识别安全设备 无触点接近式对象 第3部分:初始化和防冲突 |
China National Standards Card and identificat |
English PDF |
GB/T 42756.2-2023 |
Card and identification security devices - Contactless proximity objects - Part 2: Radio frequency power and signal interfaces 卡及身份识别安全设备 无触点接近式对象 第2部分:射频功率和信号接口 |
China National Standards Card and identificat |
English PDF |
GB/T 42756.1-2023 |
Card and identification security devices - Contactless proximity objects - Part 1: Physical characteristics 卡及身份识别安全设备 无触点接近式对象 第1部分:物理特性 |
China National Standards Card and identificat |
English PDF |
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