Document Type and Number:
Japanese Patent JPS57139505
Kind Code:
U
Application Number:
JP2555781U
Publication Date:
September 01, 1982
Filing Date:
February 25, 1981
Export Citation:
International Classes:
E04B1/41; E04G9/10; E04G11/00; (IPC1-7): E04B1/41; E04G11/00