Document Type and Number:
Japanese Patent JPS56171957
Kind Code:
U
Application Number:
JP7024680U
Publication Date:
December 18, 1981
Filing Date:
May 23, 1980
Export Citation:
International Classes:
E05B55/14; E05B13/10; E05B65/06; (IPC1-7): E05B65/06; E05B13/10