|
GB615316A
|
|
Improvements in or relating to magnesium hydroxide bonding agents
|
|
GB597845A
|
|
Improvements in or relating to refractory composite masses
|
|
GB633057A
|
|
Improvements in or relating to the concentration of olivine
|
|
GB587870A
|
|
Improvements in or relating to furnaces for the heating of solid metals
|
|
GB587331A
|
|
Improvements in or relating to moulds for casting metals
|
|
GB590774A
|
|
Improvements in or relating to highly refractory fused or sintered forsterite
|
|
GB570719A
|
|
Improvements in or relating to moulds for casting metals
|
|
GB555757A
|
|
Improvements in bonded refractory material and method of making same
|
|
GB518440A
|
|
Improvements in refractory blocks for the construction of furnaces
|
|
GB456207A
|
|
Improvements in or relating to refractory building materials
|
|
GB474038A
|
|
Improvements in or relating to refractory materials
|
|
GB458407A
|
|
Improved process for the manufacture of refractory products
|
|
GB447452A
|
|
Improvements in or relating to refractory building materials, more particularly mortars
|
|
GB378017A
|
|
Process for obtaining or concentrating germanium
|
|
GB283791A
|
|
Improvements in or relating to refractory material
|
|
GB161165A
|
|
Improved manufacture of magnesium chloride
|
|
CA419486A
|
|
Magnesium orthosilicate refractory
|
