| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard | 
			| GB/T 4958.1-1985 | English | 359 | Add to Cart | Days<=3 | Methods of measurement for equipment used in terrestrial radio-relay systems. Part 1: Measurements common to subsystems and simulated systems. Section One. General | GB/T 4958.1-1985 | Obsolete | GB/T 4958.1-1985 |