《机械制造》第八期刊出我厂各种生产及维修安装的工时定额征订目录。本期继续刊登我厂由水泥、建材设计部门提供的各种实用的生产图纸和资料目录。本征订通知中所列科技资料本厂备有现货可常年供货。(需要工时定额资料的单位请参阅本刊第八期第23～26页) The eighth periodical of “Machine Manufacturing” lists the schedule of working hours quotas for various production and maintenance installations in our factory. In this issue, we will continue to publish a variety of practical production drawings and data catalogues provided by the cement and building materials design department of our factory. The scientific and technical information listed in this Notice of Subscription is available in stock from the factory for many years. (For the units that require fixed-time data, please refer to pages 23 to 26 of the eighth issue of this publication)