|
ES231917A1
|
|
Improvements in pipe devices for pipes (Machine-translation by Google Translate, not legally binding)
|
|
US2258528A
|
|
Pipe union
|
|
GB541010A
|
|
Improvements in or relating to pipe unions
|
|
US2230098A
|
|
Coupling for tubes and pipes
|
|
GB534291A
|
|
Improvements in and relating to pipe couplings
|
|
GB528306A
|
|
Improvements in and relating to pipe couplings
|
|
GB527999A
|
|
Improvements in and relating to pipe couplings
|
|
US2201404A
|
|
Coupling for tubes and pipes
|
|
US2230116A
|
|
Pipe coupling
|
|
US2189566A
|
|
Coupling for tubes and pipes
|
|
GB505406A
|
|
Improvements in and relating to couplings for flexible pipes and hoses
|
|
GB500246A
|
|
Improvements in and relating to couplings for rigid or flexible pipes
|
|
GB489601A
|
|
Improvements in and relating to pipe couplings
|
|
GB492336A
|
|
Improvements in and relating to pipe connections
|
|
US2211856A
|
|
Pipe coupling
|
|
US2139413A
|
|
Joint for pipes
|
|
CA440586A
|
|
Pipe coupling
|
|
CA403243A
|
|
Coupling for tubes and pipes
|
|
CA405174A
|
|
Coupling for flexible pipes and hoses
|
|
CA370260A
|
|
Coupling-head
|
