|
GB523788A
|
|
Improvements in or relating to copper alloys
|
|
GB563462A
|
|
Improvements in or relating to heat-exchange devices
|
|
GB496717A
|
|
Improvements in or relating to lubricants
|
|
GB455995A
|
|
Improvements in or relating to machines for testing materials for wear
|
|
GB453577A
|
|
Improvements in or relating to the manufacture of alloys containing copper and zinc
|
|
GB450459A
|
|
Colouring of copper and copper alloys
|
|
GB428855A
|
|
Improvements in or relating to protective coatings for preventing the oxidation of heated metal
|
|
GB442431A
|
|
Improvements in or relating to pipe joints or couplings
|
|
GB425547A
|
|
Improvements in or relating to the manufacture of springs and like resilient metal articles
|
|
GB425614A
|
|
Improvements in or relating to heat resisting alloys
|
|
GB420671A
|
|
Improvements in or relating to the refining of copper
|
|
GB413332A
|
|
Improvements in or relating to the manufacture of copper alloys
|
|
GB413333A
|
|
Improvements in or relating to copper alloys
|
|
GB414748A
|
|
Improvements in and relating to copper alloys and articles made therefrom
|
|
GB402117A
|
|
Improvements in or relating to galvanic batteries
|
|
GB402796A
|
|
Improvements in or relating to the manufacture of metal articles
|
|
GB401313A
|
|
Improvements in or relating to the manufacture of metal articles
|
|
GB401314A
|
|
Improvements in or relating to the manufacture of metal tubes
|
|
GB400586A
|
|
Improvements in processes for heat-treating metals
|
|
GB399177A
|
|
Improvements in or relating to the manufacture of alloys containing copper and zinc
|
