摘要
介绍了CPC分类特点和分类思想,对直流电机控制领域(H02P7/00)相关的IPC和CPC分类号进行了比较,并结合实际案例的检索过程,探讨了CPC分类号在直流电机控制领域的检索应用。
Introduced CPC classification characteristics and classification ideas,compared the IPC and CPC classification numbers related to the field of DC motor control(H02P7/00),combined with the retrieval process of actual cases,discussed the CPC classification number in the field of DC motor control Search application.
出处
《今日自动化》
2020年第5期23-25,共3页
Automation Today
关键词
检索
CPC
分类
直流电机
retrieval
CPC
classification
DC motor
