Zhong wai du liang heng huan suan biao
By: Shi ye bu gong ye si du liang heng jian ding ren yuan yang cheng suo bian
Publisher: Shi ye bu zong wu si bian ji ke
Published: 1931
Place of publication: [Place of publication not identified]
Language: chi
Number of pages: 70
Subjects: Weights and measures; Tables