IS 9973 : 1981 SPECIFICATION FOR VISOR FOR SCOOTER HELMETS
UDC 614.891.1 : 614.893.63 : 629.118.68 | CED 22 |
Reaffirmed 2018
1. SCOPE
1.1 This standard covers the requirements in regard to the material, construction, workmanship and the performance test for the visor used inmotor cycle and scooter helmets. This standard is an adjunct to IS : 4151-1982