-
-
GB/T 28712.6-2023 in English
Types and basic parameters of heat exchangers—Part 6:Air cooled heat exchanger
to be valid
Issued on:2023-08-06
$1,960.00 -
GB/T 20078-2023 in English
Copper and copper alloys—Forgings
to be valid
Issued on:2023-05-23
$1,260.00 -
GB/T 15116-2023 in English
Die casting copper alloys and copper alloys die castings
to be valid
Issued on:2023-05-23
$364.00 -
GB/T 5231-2022 in English
Designation and chemical composition of wrought copper and copper alloys
valid
Issued on:2022-03-09
$560.00