Document Type and Number:
Japanese Patent JPS52121407
Kind Code:
U
Application Number:
JP3030376U
Publication Date:
September 16, 1977
Filing Date:
March 12, 1976
Export Citation:
International Classes:
F16L59/12; C21D1/00; F16L53/00; F16L59/00; F27D3/02; F27D5/00; (IPC1-7): C21D1/00; F16L53/00; F16L59/00; F27D3/02; F27D5/00