Title:
防音性を有する耐火二層管
Document Type and Number:
Japanese Patent JP5675948
Kind Code:
B2
Inventors:
関口 尊文
酒井 新緑
酒井 新緑
Application Number:
JP2013270783A
Publication Date:
February 25, 2015
Filing Date:
December 27, 2013
Export Citation:
Assignee:
昭和電工建材株式会社
International Classes:
F16L55/02; B32B1/08; B32B5/26; B32B13/02; B32B13/14; E03C1/122
Attorney, Agent or Firm:
Shigeru Kinoshita