JG 221-2007
铜管对流散热器
The official Chinese title is shown unchanged. Standard identifiers, dates and issuing bodies come from the catalogue record; navigation and explanatory labels are in English.
This index does not reproduce normative text. Open the official catalogue record and confirm the controlling edition before relying on it in a contract, declaration or regulatory filing.
Scope as published
规定铜管对流散热器的技术要求、试验方法与检验规则
The original Chinese text is authoritative; this excerpt is retained as catalogue metadata, not a translated normative requirement.
Version history
Earlier editions: None recorded
Later editions: None recorded
Version chains are derived from the standard identifier and year. Confirm the edition named in the buyer's specification or tender.
Need a product-specific answer?
The library and assistant stay open. For a named review of the applicable edition, test basis or export document set, send the product, destination and decision you need checked.