Title:
【考案の名称】バラスト流出防止用ブロック
Document Type and Number:
Japanese Patent JP3048297
Kind Code:
U
Inventors:
Matsunoshita
Application Number:
JP1047597U
Publication Date:
May 06, 1998
Filing Date:
October 22, 1997
Export Citation:
Assignee:
Eimatsu Tsusho Co., Ltd.
International Classes:
(IPC1-7): E01B1/00; E01B19/00
Attorney, Agent or Firm:
Itabashi Masayuki