Title:
SUCKER ROD
Document Type and Number:
Japanese Patent JPS61221487
Kind Code:
A
Inventors:
YOSHIHARA AKIYO
KANEKO MASAHITO
KANEKO MASAHITO
Application Number:
JP5942185A
Publication Date:
October 01, 1986
Filing Date:
March 26, 1985
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
E21B43/00; F04B15/00; (IPC1-7): E21B43/00; F04B15/00
Attorney, Agent or Firm:
Okamoto Shigefumi