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GB702555A
|
|
Improvements in ferritic alloy steels
|
|
GB703636A
|
|
Improvements in or relating to austenitic steels and the heat treatment thereof
|
|
GB716116A
|
|
Improvements in the fusion welding of metallic members having different coefficientsof thermal expansion
|
|
GB618820A
|
|
A method for the production of niobium containing steel
|
|
GB527608A
|
|
Improvements in and relating to lathe and like cutting tools
|
|
GB484670A
|
|
Improvements in apparatus for applying coatings to surfaces
|
|
GB476192A
|
|
Improvements relating to terminal boxes for electrical heating devices for cooking stoves
|
|
GB477013A
|
|
Improvements in condensation vacuum pumps
|
|
GB470108A
|
|
Improvements in and relating to electric heating elements
|
|
GB458048A
|
|
Improvements in or relating to electric heating elements
|
|
GB466482A
|
|
Improvements relating to the manufacture of metal coated surfaces
|
|
GB424593A
|
|
Improvements in supporting members for thermionic filament cathodes
|
|
GB421209A
|
|
Improvements relating to vacuum electric apparatus
|
|
GB341938A
|
|
Improvements relating to electric heating elements
|
|
GB337578A
|
|
Improvements relating to electric heating elements
|
