Document Type and Number:
Japanese Patent JPS63198612
Kind Code:
U
Application Number:
JP8749487U
Publication Date:
December 21, 1988
Filing Date:
June 08, 1987
Export Citation:
International Classes:
E01F13/00; E01F13/04; E04G7/06; E04G21/32; E04H17/16; F16B2/10; (IPC1-7): E01F13/00; E04G7/06; E04G21/32; E04H17/16; F16B2/10