附着升降脚手架安装拆卸工

Attached lifting scaffold installation and dismantling workers(Chinese Edition)

paperback. Condición: New. Language:Chinese.Paperback.Pub Date:2022-02-01 Publisher:China Construction Industry Press. in order to strengthen safety production management. create a harmonious safety production environment. strengthen safety awareness. improve safety skills. and protect employees' health and life safety; and to further strengthen Building construction safety. improving the occupational skills and professional quality of construction operators. according to the Notice of the General Office of the Provinc. Nº de ref. del artículo: NX002203

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