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理书长、秘书长的通告法规与标准发布公告(6一6)1999年底及2000年批准发布的工程标准汇总 ..............·..··..··..·...······..·····.·········……(l一8)(采暖通风与空气调节设计规范)GBJ 19一87局 部修汀条文················
Notice of the Secretary-General, Secretary-General of the People's Republic of China (6-6) Bulletin of Regulations and Standards (6-6) Summary of Engineering Standards Approved for Release and End of 1999 ............................. ···· ·················································································· 19 a 87 local repair provisions of articles ··················