SHANG HAI JIAN GONG JI TUAN GU FEN YOU XIAN GONG SI BIAN SHANG HAI SHI JIAN SHE GONG CHENG AN QUAN ZHI LIANG JIAN DU ZONG ZHAN profile picture

SHANG HAI JIAN GONG JI TUAN GU FEN YOU XIAN GONG SI BIAN SHANG HAI SHI JIAN SHE GONG CHENG AN QUAN ZHI LIANG JIAN DU ZONG ZHAN

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Construction site safety data and record implementation standard (DG TJ08-2334-2020J15432-2020)/Shanghai(Chinese Edition)