| SJ 20128-1992 English PDFUS$389.00 ยท In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. SJ 20128-1992: Environmental test methods for communication electroacoustic transducers 
 Basic dataStandard ID: SJ 20128-1992 (SJ20128-1992)Description (Translated English): Environmental test methods for communication electroacoustic transducers Sector / Industry: Electronics Industry Standard Classification of Chinese Standard: M30 Word Count Estimation: 11,171 Date of Issue: 11/19/1992 Date of Implementation: 5/1/1993 Quoted Standard: GJB 367.2-87; GB 2422-81 Adopted Standard: MIL-STD-2114, NEQ Summary: This standard specifies test methods for various types of communications environment electro-acoustic devices. This standard applies to the land, sea and air forces of wired and wireless communications electro-acoustic devices. This standard is based on the actual storage, transport and use of environmental conditions suitability assessment products. |