GB/T 5270-2024 Chinese PDF (GB/T5270-2024) GB/T 45582-2025 GB/T 28819-2023_Chinese: Aluminium alloy enclosures

GB/T 28819-2023_Chinese: Aluminium alloy enclosures for gas-filled high-voltage switchgear (Chinese: 充气高压开关设备用铝合金外壳)

English versions: GB/T 41980

English versions: GBZ27032-2025

English versions: GB/T 30662-2024

GBZ45463-2025_Chinese: Method for porosity measurement of thermally sprayed coatings (Chinese: 热喷涂涂层孔隙率的测定)

GB/T 5270-2024 Chinese PDF (GB/T5270-2024) GB/T 45582-2025 GB/T 28819-2023_Chinese: Aluminium alloy enclosuresGB T 5270 2024_Chinese: Metallic coatings on metallic substrates Electrodeposited and chemically deposited coatings Review of methods available for testing adhesion (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5270 2024