GSO ISO 6621-2:2013由GSO 发布于 2013-09-09。
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GSO ISO 6621-2:2013 的最新版本是哪一版?
最新版本是 GSO ISO 6621-2:2013 。
This part of ISO 6621 specifies the principles to be used in the measuring for inspection purposes of piston rings for both reciprocating internal combustion engines and compressors working under analogous conditions. It is applicable to all such rings of a diameter ≤ 200 mm.
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