|
DD155640A1
|
|
Smoke door
|
|
GB126569A
|
|
Improvements in and relating to the Driving of Machines by Compressed Air.
|
|
US822975A
|
|
Box-lid holder.
|
|
GB190416940A
|
|
Improved Heat Non-conducting Material.
|
|
GB190323753A
|
|
Improved Transportable Mail Cart for Children.
|
|
GB190322925A
|
|
Improvements in Felt and the Manufacture thereof.
|
|
GB190319404A
|
|
Improvements in Felt and Felted and like Fabrics.
|
|
GB190319387A
|
|
Improvements in Felt and the Manufacture thereof.
|
|
GB190314907A
|
|
Improvements in the Treatment of Coco-nut Butter.
|
