Document Type and Number:
Japanese Patent JPS5243355
Kind Code:
U
Application Number:
JP13077975U
Publication Date:
March 28, 1977
Filing Date:
September 22, 1975
Export Citation:
International Classes:
D03D15/02; D03D25/00; F24F3/14; F24F6/04; (IPC1-7): F24F3/14; D03D25/00
Domestic Patent References:
| JPS4323823Y1 | 1968-10-07 |