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GB/T 20840
ecotoxicity and control of constituents (Chinese: 塑料 农业和园艺地膜用土壤生物降解材料 生物降解性能、生态毒性和成分控制的要求和试验方法)
English versions: GB/T 45457
GB/T 45449-2025_Chinese: Revert materials for powder metallurgy superalloy (Chinese: 再生粉末高温合金原料)
GB/T 13077-2024_Chinese: Periodic inspection and evaluation of seamless aluminum alloy gas cylinders (Chinese: 铝合金无缝气瓶定期检验与评定)
GB/T 4138-2024 Chinese PDF (GB/T4138-2024) GB/T 28210-2024 GB/T 20840GB T 4138 2024_Chinese: Rare earth ferrosilicon magnesium alloy (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4138 2024
US$ 24.95
US$ 24.95
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