Document Type and Number:
Japanese Patent JPS53107036
Kind Code:
U
Application Number:
JP1053277U
Publication Date:
August 28, 1978
Filing Date:
February 02, 1977
Export Citation:
International Classes:
E04G21/02; E01C19/00; E01C19/10; E02B5/02; E02B9/02; (IPC1-7): E02B9/02; E01C19/10