JB/T 6720-1993 Abolished Industry standards-Mechanical

JB/T 6720-1993 The inspection of the metallography of the intake and inlet valves for internal combustion engines

Publish Date: 1993-07-29 Implement Date: 1994-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: JB/T 6720-1993

Standard Type: Industry standards

Standard Status: Abolished

is_force_gb: no

CCS Name: The piston internal combustion engine and other power equipment

ICS Name: Internal combustion engine

Publish Date: 1993-07-29

Implement Date: 1994-01-01

Pages: 6 pages

Development Information

Pages: 6 pages

Replace the following standards

NJ 354-1985

Superseded by the following standards

JB/T 6012.2-2008 Internal Combustion Engine Intake and Exhaust Valves - Part 2: Microstructure Inspection

Related Standards

GB/T 3821-1983 Replaced

GB/T 3821-1983 Determination of cleanliness for small and medium power internal combustion engines

Publish Date: 1983-08-09

GB/T 1147-1987 Replaced

GB/T 1147-1987 Reciprocating internal combustion engines—General technical specifications

Publish Date: 1987-01-12

GB/T 725-1991 Replaced

GB/T 725-1991 Internal combustion engines—Nomenclature and code of designations

Publish Date: 1991-03-22

GB/T 1149.3-1992 Replaced

GB/T 1149.3-1992 Internal combustion engines—Piston rings-Scraper rings

Publish Date: 1992-11-14

GB/T 1149.5-1992 Replaced

GB/T 1149.5-1992 Internal combustion engines—Piston rings-Oil control rings

Publish Date: 1992-11-14

GB/T 1151-1993 Replaced

GB/T 1151-1993 Internal combustion engines—Main and connecting rod bearings—Specification

Publish Date: 1993-03-03