Document Type and Number:
Japanese Patent JPS5620821
Kind Code:
U
Application Number:
JP10218779U
Publication Date:
February 24, 1981
Filing Date:
July 23, 1979
Export Citation:
International Classes:
E04B1/80; B32B5/18; E04B1/88; E04D3/35; E04D5/10; E04D12/00; (IPC1-7): E04D5/10; B32B5/18; E04B1/88; E04D3/35