ES498386A0
(es )
1982-03-01
Perfeccionamientos en valvulas obturadoras rotativas
GB2036265B
(en )
1983-09-01
Valve with fire-safe seal
IT8324279A0
(it )
1983-12-20
Valvola a sfera con dispositivo dichiusura a tenuta d'emergenza.
FR2484044B1
(fr )
1985-06-21
Robinet-vanne a opercule
BR8100414A
(pt )
1981-09-08
Valvula borboleta
FR2499663B1
(fr )
1986-05-02
Etancheite de soupape a clapet
BE843463A
(fr )
1976-10-18
Valve de robinet et garniture d'etancheite
AT368614B
(de )
1982-10-25
Absperrklappe
MX153575A
(es )
1986-11-27
Mejoras en valvula esferica de sellado hermetico para fluidos
GB1556074A
(en )
1979-11-21
Valve stem sealing arrangement and a ball valve embodying the same
MX155290A
(es )
1988-02-12
Mejoras en valvula de compuerta
JPS55110988A
(en )
1980-08-27
Fluid flow valve
FR2467336B1
(fr )
1986-03-21
Robinet d'arret a soupape
JPS53427A
(en )
1978-01-06
Water sealing valve device
BE851162A
(fr )
1977-08-08
Perfectionnements aux vannes d'arret
IT7831032A0
(it )
1978-12-20
Disposizione d'intercettazione con valvola a saracinesca.
BR8003298A
(pt )
1980-12-30
Valvula de vedacao
PL214755A1
(pl )
1979-10-22
Pierscien uszczelniajacy zamkniecie przeplywu w kulowym zaworze kurkowym
IT8012440A0
(it )
1980-02-11
Valvola a farfalla perfezionata
BE895160A
(fr )
1983-05-26
Vanne a structure d'etancheite perfectionnee
ZA77428B
(en )
1977-11-30
Improvements in and relating to fluid flow control valves
DK35383D0
(da )
1983-01-28
Aftapningsventil og pose med en sadan ventil
JPS52136425A
(en )
1977-11-15
Sealing mechanism for ball valve * gate valve and the like
JPS52135421A
(en )
1977-11-12
Water sealing type butterfly valve
EG15515A
(en )
1986-03-31
Sealing arrangement on a sliting gate valve and use of two valve members to produce the sealing arrangement