Патенты компании Beian Lock The patent of the disposable plastic padlock The patent of steel cable lockout The patent of small safety padlock appearance The patent of simple cable lockout hasp The patent of safety padlock appearance The patent of plastic safety padlock The patent of long shackle safety padlock The patent of lock device management box The patent of group lockout box The patent of five-hole universal cable lockouts The patent of five holes plastic cable lockout The patent of electric switch lockouts The patent of cable lockouts The patent of Aluminum Ten-hole Hasp Lockouts