Gang kou men zuo qi zhong ji ji shu tiao jian
Subtitle: Zhonghua Renmin Gongheguo jiao tong bu pu biao zhun, JT 5017-86 : 1986-06-16 fa bu, 1987-01-15 shi shi
By: Zhonghua Renmin Gongheguo jiao tong bu pi zhun
Edition: Di 1 ban
Publisher: Ren min jiao tong chu ban she.
Published: 1987
Place of publication: [Peking]
Language: chi
Number of pages: 17