管路防錆方法 - Nippon Telegraph and Telephone Corporation

Title:

管路防錆方法

Document Type and Number:

Japanese Patent JP5960109

Kind Code:

B2

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Inventors:

Sakaki Katsumi
Koji Tanaka
Yoshihiko Tashiro
Ryo Seta
Yukitoshi Takeshita

Application Number:

JP2013213949A

Publication Date:

August 02, 2016

Filing Date:

October 11, 2013

Export Citation:

Assignee:

Nippon Telegraph and Telephone Corporation

International Classes:

F16L58/16

Domestic Patent References:

Foreign References:

US3700520

Attorney, Agent or Firm:

Kenji Sugimura
Akito Okura

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