Teacher! are these your children?
Board of education of the city of New York1946 年出版45 页ISBN:
孟祥宾主编;全国链传动标准化技术委员会秘书处编=Information of the members of the national technical committee 164 on chain Transmission of standardization adiministration of China2005 年出版135 页ISBN:7111153227
本书收录了链传动标准化技术委员会会员企业的详细情况。