9787516731505 (1 Ergebnisse)

paperback. Zustand: New. Language:Chinese.Paperback. Pub Date: 2017-12-01 Publisher: China labor social security publishing house Book written in accordance with the new model. on the basis of the first edition. refer to national vocational standard the security officer to the content organization. to increase the rights and obligations under the security guards and security technology to prevent content. refining the security police equipment. use of fire control facilities equipment. etc. combined with this positio.