B43L13/04 - CPC Classification

Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for; Draughting machines or drawing devices for keeping parallelism Guides for rulers

• B43L13/041 » {with toothed racks} 0
• B43L13/043 » {with squares} 0
• B43L13/045 » {with carriages} 0
• B43L13/046 » {with cables} 0
• B43L13/048 » {with T-squares} 0
• B43L13/06 » with pivoted guide rods 0

Recent Application in this class: