|
GB917306A
|
|
Recuperators for industrial furnaces
|
|
GB884799A
|
|
Unidirectional friction clutches
|
|
GB866147A
|
|
Protective wrapping for metal pipes
|
|
GB862905A
|
|
Finned metal tubes
|
|
GB839030A
|
|
Weather covers for heat exchange apparatus
|
|
GB844466A
|
|
Heat exchange apparatus
|
|
GB821350A
|
|
Steam-heated air heating apparatus
|
|
GB806539A
|
|
Tubular heat exchange apparatus
|
|
GB818274A
|
|
Manufacture of gilled tubes
|
|
GB784756A
|
|
A method and means for applying protective coverings to metal pipes
|
|
GB767866A
|
|
Heat exchange apparatus
|
|
GB764866A
|
|
Tubular heat exchange apparatus
|
|
GB762320A
|
|
Gilled metal tubes
|
|
GB735384A
|
|
Tubular heat exchangers
|
|
GB732492A
|
|
Steam-heated radiators
|
|
GB690007A
|
|
Method and means for manufacturing pipe elbows or bending metal tubes
|
|
GB690001A
|
|
Tubular structures, such as frames for portable market stalls, booths, show-stands and the like
|
|
GB651503A
|
|
Improvements relating to tubular constructions
|
|
GB628704A
|
|
Improvements relating to gilled tubing for heat exchange apparatus
|
|
GB613339A
|
|
Improvements in frames or structures including two connected pillars, posts or the like
|
