Document Type and Number:
Japanese Patent JPS4826502
Kind Code:
U
Application Number:
JP6807471U
Publication Date:
March 30, 1973
Filing Date:
August 02, 1971
Export Citation:
International Classes:
F04B9/04; F04B13/00; (IPC1-7): F04B9/04
Domestic Patent References:
| JP15012248Y1 |
Foreign References:
| US3411448A | 1968-11-19 |