Document Type and Number:
Japanese Patent JPS5547561
Kind Code:
U
Application Number:
JP13115378U
Publication Date:
March 28, 1980
Filing Date:
September 20, 1978
Export Citation:
International Classes:
F16L27/12; E04C3/30; E04G7/20; E04H15/34; F16B7/04; F16B7/14; F16L19/06; F16L21/08; F16L37/00; F16L37/08; F16L37/12; (IPC1-7): E04G7/20; E04C3/30; F16L19/06