Improvements in processes for the extraction of dry aromatic powders from liquids
US2991180A
Process for the preparation of perfumed extracts and in particular of powders from alcohols containing liquid and substances and products resulting therefrom
GB760151A
Safety device for lifting appliances such as cranes
US2772125A
Shoe for endless vehicle tracks
GB665013A
Improvements in tower cranes
US2676388A
Method for erecting tower cranes
GB621235A
Improvements in and relating to mechanical excavators
GB611249A
Improvements in couplings for vehicles
GB602904A
High tower cranes
US2413701A
Crane
US2330819A
Portable building structure
US2282715A
Process and apparatus for the decortication of ramie
GB545727A
Improvements in the decortication of ramie and other textile stalks or leaves
GB530183A
Improvements in and relating to portable building structures
GB475233A
A device for the use of concrete mixing machines for the sifting of materials
GB465086A
Improved device for erecting building constructions comprising superposed pre-assembled portions
