According to the statistics of signpost network, there are two trademarks for registered locks and padlocks.
How to choose other minor categories when registering:
1. Registered trademark 1 piece (number lock and password lock, group number: 06 10), accounting for 50% of the registered trademark.
2. Registered trademark 1 piece (all the above products are metal products, group number: 06 10), accounting for 50% of the registered trademark.