GB - Chinese national standards

Optics and photonics—Environmental test methods—Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 22Combined cold,dry heat or temperature change with bump or random vibration

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 23Low pressure combined with cold,ambient temperature and dry or damp heat

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 3:Mechanical stress

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 4: Salt mist

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 6:Dust

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 7:Resistance to drip or rain

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 8:High internal pressure, low internal pressure, immersion

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Optics and photonics—Environmental test methods—Part 9:Solar radiation and weathering

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Agricultural machinery - Cutter bars - Part 1: Assembly

Available languages: English, Chinese

Available design: electronic design (pdf), Print design