Title:
【考案の名称】可縮継目板
Document Type and Number:
Japanese Patent JPS5976698
Kind Code:
U
Inventors:
Kiyoshi Arii
Application Number:
JP17163882U
Publication Date:
May 24, 1984
Filing Date:
November 15, 1982
Export Citation:
International Classes:
E21D11/22; (IPC1-7): E21D11/22
Domestic Patent References:
| JPS282609Y1 |