Document Type and Number:
Japanese Patent JPS54160916
Kind Code:
U
Application Number:
JP5910978U
Publication Date:
November 10, 1979
Filing Date:
April 30, 1978
Export Citation:
International Classes:
E04F13/21; E04B2/56; E04C2/30; E04F13/00; (IPC1-7): E04B2/56; E04C2/30; E04F13/00