中文

一种对凿岩机进行无级调节控制的油路系统

Hits:

  • Release time:2020-02-23

  • Type of Patent:Utility models

  • State of Patent:Authorized patents

  • Authorization number:ZL201420031250.7

  • Service Invention or Not:no

  • First Author:罗春雷


Central South University  All rights reserved  湘ICP备05005659号-1 Click:
  MOBILE Version

The Last Update Time:..