Safety valve element for battery and battery case cap with safety valve
A Standard patent application filed on 14 February 1997 credited to Takada, Akiyoshi
;
Takagi, Akira
;
Isobe, Yoshihiko
;
Yoshida, Kazuo
;
Yoshimoto, Nobuyuki
;
Saijo, Kinji
Details
Application number :
16721
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Safety valve element for battery and battery case cap with safety valve