【発明の名称】掘削ロッド

Title:

【発明の名称】掘削ロッド

Document Type and Number:

Japanese Patent JP2960336

Kind Code:

B2

Inventors:

FUKUDA ATSUO
OZAWA KYOSHI

Application Number:

JP17475395A

Publication Date:

October 06, 1999

Filing Date:

July 11, 1995

Export Citation:

Assignee:

TENOTSUKUSU KK

International Classes:

E21B17/00; E02D3/12; (IPC1-7): E21B17/00; E02D3/12

Domestic Patent References:

Attorney, Agent or Firm:

Toshi Hisamon

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