Document Type and Number:
Japanese Patent JPS52153932
Kind Code:
U
Application Number:
JP6355976U
Publication Date:
November 22, 1977
Filing Date:
May 18, 1976
Export Citation:
International Classes:
F16K31/44; F16K31/60; (IPC1-7): F16K31/60
Domestic Patent References:
| JPS4721676A | ||||
| JPS4890019A | 1973-11-24 |