|
GB529080A
|
|
Improvements in and relating to valves or cocks
|
|
GB488690A
|
|
Improvements relating to machine parts made from iron-chromium alloys resistant to acid and rust
|
|
GB438179A
|
|
Improvements in and relating to iron-chromium alloys
|
|
GB422146A
|
|
Improvements in the manufacture of articles from iron alloys
|
|
GB392564A
|
|
Improvements relating to articles manufactured from alloys of iron and chromium
|
|
GB362375A
|
|
Improvements in and relating to the manufacture of cast iron articles
|
|
GB344399A
|
|
Improved manufacture of stainless cast-iron articles
|
|
GB299567A
|
|
Improvements in variable-speed gearing
|
|
GB245359A
|
|
Improvements in fire-box roofs
|
|
GB234396A
|
|
Improvements in chain grates
|
|
GB178021A
|
|
Improvements relating to travelling grates for furnaces
|
