Title:
【発明の名称】コアカツタ
Document Type and Number:
Japanese Patent JP2734479
Kind Code:
B2
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Inventors:
HYODO KAZUYA
ISHISE FUMIHIKO
SASAKI KYOMI
ISHISE FUMIHIKO
SASAKI KYOMI
Application Number:
JP32404289A
Publication Date:
March 30, 1998
Filing Date:
December 15, 1989
Export Citation:
Assignee:
MITSUBISHI JUKOGYO KK
International Classes:
E21B10/02; (IPC1-7): E21B10/02
Attorney, Agent or Firm:
Toshiaki Matsumoto