Title:
【考案の名称】穿孔用ジヤンボの集中給油装置
Document Type and Number:
Japanese Patent JPS5841272
Kind Code:
Y2
Inventors:
Yoshio Nakamura
Application Number:
JP33778U
Publication Date:
September 17, 1983
Filing Date:
January 06, 1978
Export Citation:
Assignee:
Furukawa Mining Co., Ltd.
International Classes:
E21B1/26; E21B1/00; (IPC1-7): E21C3/20
Attorney, Agent or Firm:
Tetsuya Mori
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