[GB 12218-1989] 一般通风用空气过滤器性能试验方法[已作废]
发布时间:1990-09-01
实施时间:1990-09-01
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[JG/T 22-1999] 一般通风用空气过滤器性能试验方法[已废止]
发布时间:1990-01-04
实施时间:1990-09-01
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[GBJ 304-1988] 通风与空调工程质量检验评定标准GBJ304-88[已作废]
发布时间:1988-11-05
实施时间:1989-09-01
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[GBJ 243-1982] 通风与空调工程施工及验收规范GBJ243-82[已作废]
发布时间:1982-07-21
实施时间:1983-03-01
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