Document Type and Number:
Japanese Patent JPS54150363
Kind Code:
U
Application Number:
JP4725578U
Publication Date:
October 19, 1979
Filing Date:
April 11, 1978
Export Citation:
International Classes:
E03F5/06; E03F7/00; E04C2/42; (IPC1-7): E03F7/00; E04C2/42