Title: Gong ye yi chan bao hu chu tan
Description: Ben shu nei rong bao gua: shi jie gong ye yi chan bao hu, Zhongguo gong ye yi chan bao hu he Tianjin gong ye yi chan bao hu san bu fen, ju ti jie shao le Yingguo, Meiguo, Deguo, Faguo, Zhongguo ji Tianjin Shi zai gong ye yi chan bao hu fang mian de gong zuo gan kuang.
Subjects: Historic industrial sites, Conservation and restoration