Service Invention or Not:no
Pre One:实用新型专利.一种关于搅拌釜的进料装置.ZL201320430208.8.2014-01-01 .
Next One:实用新型专利.一种使连铸结晶器内磁场区域集中的电磁制动装置.ZL201320865583.5.2014-06-04 .
The Latest Update Time:..