Document Type and Number:
Japanese Patent JPS4920335
Kind Code:
U
Application Number:
JP5930972U
Publication Date:
February 20, 1974
Filing Date:
May 19, 1972
Export Citation:
International Classes:
E06B3/72; B32B3/20; E04C2/30; E06B3/78; (IPC1-7): E06B3/78