Document Type and Number:
Japanese Patent JPS5272937
Kind Code:
U
Application Number:
JP16012175U
Publication Date:
May 31, 1977
Filing Date:
November 28, 1975
Export Citation:
International Classes:
F24J2/40; (IPC1-7): F24J3/02
Foreign References:
| US2693939A | 1954-11-09 |