bài 1:Tính nhanh 789x6+789x4 2011x137-2011x36-2011 câu hỏi

O-Ring 789x4 Viton-FKM-FPM - 70 Shore A - Green - ses-388580 789x4 PART NUMBER: ST007-789X4 UNIT INCHES SHEET 1 of 1 Notes : 1 Category: Cap Screws 2 System of Measurement: Inch 3 Head Style: Hex Head 4 Head Style 789x4 Aspen Fasteners 190BO024-789X4 Low-Strength Zinc-Plated Steel Hex Head Screw, 78-9 Thread Size, 4 Long

789x4 PART NUMBER: ST318-789X4 UNIT INCHES SHEET 1 of 1 Notes : 1 Category: Cap Screws 2 System of Measurement: Inch 3 Head Style: Hex Head 4 Head Style