|
JP3436839B2
(ja)
|
|
反転可能通気弁
|
|
US3540472A
(en)
|
|
Check valve
|
|
US3896850A
(en)
|
|
Check valve and leak indicator
|
|
US3712578A
(en)
|
|
Controls for valves
|
|
US3965926A
(en)
|
|
Flapper valve with independent plate suspension
|
|
US3972507A
(en)
|
|
Valve construction
|
|
US4364544A
(en)
|
|
Valve seat with sediment guard
|
|
US3478778A
(en)
|
|
Clapper valve with changing bias
|
|
KR910006650A
(ko)
|
|
과압 릴리프 밸브
|
|
US3319649A
(en)
|
|
Valve construction
|
|
US4009366A
(en)
|
|
Thermal pulse type heater and valve therefore
|
|
US3700001A
(en)
|
|
Check valve
|
|
US3868991A
(en)
|
|
Valve assembly
|
|
PL68009B1
(xx)
|
|
|
|
US2691386A
(en)
|
|
Fluid level safety control valve
|
|
US3670760A
(en)
|
|
Backflow preventer
|
|
KR830006606A
(ko)
|
|
밸브구조
|
|
US1053327A
(en)
|
|
Three-way valve.
|
|
US2118299A
(en)
|
|
Bimetallic sealing device
|
|
US2655171A
(en)
|
|
Vacuum breaker
|
|
JPS57154565A
(en)
|
|
Lift type check valve
|
|
US3743243A
(en)
|
|
Indexing stop of valve stem
|
|
US3038494A
(en)
|
|
Swing check valve
|
|
ES178325U
(es)
|
|
Valvula de cierre, especialmente para su instalacion entre un radiador de calefaccion y su tuberia de retorno.
|
|
US3646956A
(en)
|
|
Radial flow check valve
|