International Patent Classification Guide, Survey of Classes and Summary of Main Groups

• $16.01

• $13.78

Save $0.15

• RRP $27.34
• $27.19

Save $2.66

• RRP $41.02
• $38.36

• $78.35

Save $1.41

• RRP $38.27
• $36.86

• $35.27

Save $1.78

• RRP $38.28
• $36.50

• $125.36