basic knowledge of safe operation of construction workers Reader: general worker(Chinese Edition) - Softcover

JIAN SHE BU GONG CHENG ZHI LIANG AN QUAN JIAN DU YU HANG YE FA ZHAN SI , QUAN GUO ZONG GONG HUI ZHONG GUO HAI YUAN JIAN SHE GONG HUI ZU ZHI

 
9787112083657: basic knowledge of safe operation of construction workers Reader: general worker(Chinese Edition)

Inhaltsangabe

Language:Chinese.Soft cover.publisher:China Building Industry Press Pub. Date :2006-06-0.description:Paperback. Pages Number: 31 Publisher: China Building Industry Press Pub. Date :2006-06-01. The book is divided into four parts. the first part of the basic knowledge for security. mainly on construction workers in work and life. and pay attention to

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