1.1 ,This specification covers round, cold-drawn, steel spring wire having properties and quality intended for the manufacture of the following types of upholstery springs:
1.1.1 ,Type A—,Coiled (Marshall pack),
1.1 ,This specification covers round, cold-drawn, steel spring wire having properties and quality intended for the manufacture of the following types of upholstery springs:
1.1.1 ,Type A—,Coiled (Marshall pack),