GB 12971.4-1991 English PDF

US$319.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB 12971.4-1991: Trolley and contact wires for electric traction. Part 4: Aluminium-steel and aluminium alloy composite trolley wires
Status: Obsolete

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 12971.4-1991	319	Add to Cart	3 days	Trolley and contact wires for electric traction. Part 4: Aluminium-steel and aluminium alloy composite trolley wires	Obsolete

Similar standards

GB/T 12706.3   GB/T 12706.1   GB/T 12706.4   GB/T 12971.2   GB/T 12971.1   GB/T 12972.1   

Basic data

Standard ID: GB 12971.4-1991 (GB12971.4-1991)
Description (Translated English): Trolley and contact wires for electric traction. Part 4: Aluminium-steel and aluminium alloy composite trolley wires
Sector / Industry: National Standard
Classification of Chinese Standard: K13
Classification of International Standard: 29.060.10
Word Count Estimation: 8,811
Date of Issue: 6/6/1991
Date of Implementation: 1992-03-01
Issuing agency(ies): State Bureau of Technical Supervision
Summary: This standard specifies the steel, aluminum and aluminum composite contact line product varieties, specifications, technical requirements and inspection rules. This standard applies to railroad, mining, urban transport and other electrical transport, lifting systems for steel, aluminum and aluminum alloy composite contact line. Steel, aluminum and aluminum composite contact line shall meet the requirements of this standard, we must also comply with the provisions of GB 12971. 1.

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