Document Type and Number:
Japanese Patent JPS6231555
Kind Code:
Y2
Application Number:
JP6451682U
Publication Date:
August 13, 1987
Filing Date:
April 30, 1982
Export Citation:
International Classes:
E04G11/36; B28B23/04; E04G13/00; (IPC1-7): E04G11/36; B28B23/04