Document Type and Number:
Japanese Patent JPS57139506
Kind Code:
U
Application Number:
JP2665581U
Publication Date:
September 01, 1982
Filing Date:
February 26, 1981
Export Citation:
International Classes:
E02D27/00; E02D27/01; E04B1/41; E04G9/00; E04G17/06; (IPC1-7): E04B1/41; E02D27/01; E04G9/00