1UDC P 中华人民共和国行业标准 JJ[JJJJ JGJ/T 471 - 2019 备案号 J 2701-2019 钢管约束混凝土结构技术标准 Technical standard for steel tube confined concrete structures 2019 -06 -18 发布 2020 - 02 -01 实施 ...

1ICS 91. 100 P 32 中华人民共和国建筑工业行业标准 JG/T 471-2015 建筑门窗幕墙用中空玻璃弹性密封胶 Elastic sealants for insulating glass units of windows and curtain walls in building 2015-01-20 发布 2015-07-01 实...

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