GB/T 19964-2024 Chinese PDF (GB/T19964-2024) GB/T 21551.5-2024 3-2024_Chinese: Steel cord conveyor belts

3-2024_Chinese: Steel cord conveyor belts - Part 3: Special safety requirements for belts for use in underground installations (Chinese: 钢丝绳芯输送带 第3部分：井下用输送带的特殊安全要求)

1-2025_Chinese: Rubber - Determination of ash - Part 1: Muffle furnace method (Chinese: 橡胶 灰分的测定 第1部分：马弗炉法)

English versions: GB/T 15972

8-2024_Chinese: Anti-counterfeiting printing ink - Part 8: Altering-proof anti-counterfeiting printing ink (Chinese: 防伪油墨 第8部分：防涂改防伪油墨)

English versions: GB/T 45160-2024

GB/T 19964-2024 Chinese PDF (GB/T19964-2024) GB/T 21551.5-2024 3-2024_Chinese: Steel cord conveyor beltsGB T 19964 2024_Chinese: Technical requirements for connecting photovoltaic power station to power system (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19964 2024