Title:
【考案の名称】油圧打撃工具における打撃ピストンの往復切換装置
Document Type and Number:
Japanese Patent JPS6019196
Kind Code:
Y2
Inventors:
Shiobara
Application Number:
JP8578679U
Publication Date:
June 10, 1985
Filing Date:
June 21, 1979
Export Citation:
Assignee:
Mazda Corporation Inc
International Classes:
B25D9/14; B25D9/16; E21B1/00; E21B1/26; (IPC1-7): E21C3/20; B25D9/14
Attorney, Agent or Firm:
Hiroshi Maeda
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