Document Type and Number:
Japanese Patent JPS5291632
Kind Code:
U
Application Number:
JP17771575U
Publication Date:
July 08, 1977
Filing Date:
December 30, 1975
Export Citation:
International Classes:
E02B7/54; E02B7/26; F16K3/02; (IPC1-7): E02B7/26; F16K3/02