GB 20943-2025 English PDF GB/T 13000-2025 2-2024_Chinese: Grades of cemented carbide
$156.47
Description
2-2024_Chinese: Grades of cemented carbide - Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 硬质合金牌号 第2部分：凿岩及工程用硬质合金牌号)
English versions: GB/T 11828
4-2025_Chinese: Instruments for stage measurement - Part 4: Ultrasonic stage recorder (Chinese: 水位测量仪器 第4部分：超声波水位计)
English versions: GB 35181-2025
English versions: GB/T 14646-2025
GB 20943-2025 English PDF GB/T 13000-2025 2-2024_Chinese: Grades of cemented carbideGB 20943 2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC DC and AC AC power supplies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 20943 2025
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