T/ZJGS 15-2021 Technical Specifications for Padlock Accessories Part 4: Lock Cylinders for Padlock Padlocks with Tongs and Pins of Polymer Composite Materials (English Version)
2021T/ZJGS 15-2021 Technical Specifications for Padlock Accessories Part 4: Lock Cylinders for Padlock Padlocks with Tongs and Pins of Polymer Composite Materials