Improvements in the production of coke or semi-coke by carbonising coal-oil mixtures
GB454011A
Improvements in or relating to the distillation and carbonisation of coal-oil mixtures
GB448622A
An improved method for the production of semi-coke or coke
GB447058A
Improvements in or relating to the production of benzene hexachloride
GB451575A
An improved method of producing olefine gases
GB449603A
Improvements in or relating to the preparation of catalysts for liquid and vapour phase hydrogenation processes, ammonia and methanol synthesis processes and other industrial purposes
GB448029A
Improvements in or relating to the distillation and carbonization of mixtures of oil with coal or similar carbonaceous material
GB448028A
Improvements in or relating to the distillation and carbonisation of coal-oil mixtures
GB431063A
Improvements in or relating to the heat treatment of carbonaceous material
GB406053A
Improvements in, or relating to, building slabs for walls, floors, roofs, and the like
GB360972A
Improvements in or relating to, metal framework or reinforcement or the like applicable to openwork steel flooring, steps, or gratings, or reinforcement for concrete
GB360353A
Improvements in or relating to metal framework or reinforcement or the like applicable to openwork steel flooring, steps, or gratings, or reinforcement for concrete
