BRITISH STANDARD
Harmonized system
of quality assessment
for electronic
components —
Electrical relays —
Generic specification:
Electromechanical
all-or-nothing relays —
Part 2: Quality assessment procedures
Click below to download BS QC 160000-2:1987 IEC 255-10: 1979 Pdf free
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Click here to Astm E 1209 – 99 Pdf free download