Document Type and Number:
Japanese Patent JPS4935131
Kind Code:
U
Application Number:
JP7431572U
Publication Date:
March 28, 1974
Filing Date:
June 23, 1972
Export Citation:
International Classes:
E04B1/82; E04B1/86; E04C2/36; (IPC1-7): E04C2/36; E04B1/86