Patents
一种带锥钻和锪窝断屑结构的叠层薄板制孔刀具
Release Time:2019-01-26
  • Institution:
    机械工程学院
  • Application Number:
    201710405223X
  • Number of Inventors:
    2
  • Service Invention or Not:
    No
  • Application Date:
    2017-05-31
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