Title:
【考案の名称】折畳式角変昇降階段
Document Type and Number:
Japanese Patent JP3044915
Kind Code:
U
Inventors:
Yoneda Katsunobu
Application Number:
JP619897U
Publication Date:
January 23, 1998
Filing Date:
June 30, 1997
Export Citation:
Assignee:
Ryugame Kogyo Co., Ltd.
International Classes:
(IPC1-7): E04G1/30; E06C1/04; E06C7/08; E06C7/48
Attorney, Agent or Firm:
Kaneda Maeda