【発明の名称】継目無鋼管の浸炭防止方法

Title:

【発明の名称】継目無鋼管の浸炭防止方法

Document Type and Number:

Japanese Patent JP2867910

Kind Code:

B2

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Inventors:

IIDA SUMIO
NAKANISHI TETSUYA
ANRAKU TOSHIRO
TSUDA KOTA

Application Number:

JP3521995A

Publication Date:

March 10, 1999

Filing Date:

February 23, 1995

Export Citation:

Assignee:

SUMITOMO KINZOKU KOGYO KK

International Classes:

B21B17/02; B21B45/00; B21B45/02; C21D8/10; (IPC1-7): B21B45/00; B21B17/02; B21B45/02; C21D8/10

Domestic Patent References:

JP6182427A
JP4111907A

Attorney, Agent or Firm:

Morio Mori (1 outside)

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