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JJG 1021-2007 in English
Verification Regulation of Instrument Transformers in Power System
SUPERSEDED
Issued on:2006-12-08 | Implemented on:2007-05-28
$390.00 $379.00 -
QJ 1875A-1998 in English
Test Method of Static Electricity
VALID
Issued on:1998-02-06 | Implemented on:1999-04-21
$190.00 $185.00 -
GB/T 15541-1995 in English
Mehtods of measurement for transmitting frequency
VALID
Issued on:1995-04-06 | Implemented on:1995-01-02
$150.00 $146.00 -
GB/T 7286.2-1987 in English
Test method for normal spectral emittance of metals and nonmetallic materials
ABOLISHED
Issued on:1987-02-21 | Implemented on:1987-01-02
$180.00 $175.00
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