Well, now all the security door by which the patent
In the patent office website, the relevant patent is currently effective in nearly two thousand.
Refer to the following related patent for the following security door: 1, magnetic security door, application number: .5; 2, intelligent security door, application number: .8; 3, three anti-theft door, application number: .0; 4 6, the network of intelligent security door, the application number: the burden of the factory to pay off the board of the shop coupons cunning .4; 7; 5, the natural wind anti-theft door, application number: .4; 8, intelligent multi-purpose security door, application number: .6; 9, more ..... a total of 106.
You can enter the national patent office website search page to enter the keywords you want. You can find the information you want.
