-
CJ/T 264-2018 in English
Membrane fine bubble diffuser for water and wastewater treatment
VALID
Issued on:2018-04-03 | Implemented on:2018-11-01
$310.00 $301.00 -
HJ/T 252-2006 in English
Specifications for environmental protection product -- Middle and fine bubble diffusers
VALID
Issued on:2006-04-13 | Implemented on:2006-06-01
$190.00 $185.00 -
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CJ/T 475-2015 in English
Measurement of oxygen mass transfer in clean water far fine bubble diffuser
VALID
Issued on:2015-03-04 | Implemented on:2015-09-01
$100.00 $97.00 -
JTG E42-2005 in English
Test Methods of Aggregate for Highway Engineering
SUPERSEDED
Issued on:2005-03-03 | Implemented on:2005-08-01
$800.00 $776.00 -
SH/T 0722-2002 in English
Standard test method for high temperature foaming characteristics of lubricating oils
VALID
Issued on:2002-05-31 | Implemented on:2002-07-01
$100.00 $97.00 -
GB 51283-2020 in English
Fire protection standard for engineering design of fine chemical enterprise
VALID
Issued on:2020-01-06 | Implemented on:2020-10-01
$900.00 $873.00 -
GB/T 15171-2025 in English
Test method for sealing performance of package
VALID
Issued on:2025-08-01 | Implemented on:2026-02-01
$150.00 $146.00 -
CJ/T 264-2007 in English
Membrane fine bubble diffuser for water and wastewater treatment
SUPERSEDED
Issued on:2007-08-20 | Implemented on:2008-01-01
$170.00 $165.00 -
SC/T 5709-2019 in English
Classification of goldfish- -Bubble- -eye
VALID
Issued on:2019-08-01 | Implemented on:2019-11-01
$60.00 $59.00
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