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DE431505C
|
|
Production of colloidal sulfur
|
|
DE428983C
|
|
Continuous extraction of sulfur
|
|
DE430835C
|
|
Acetylene generator according to the throw-in system
|
|
DE431766C
|
|
Conversion of calcium nitrate into fertilizer salts suitable for spreading
|
|
DE428137C
|
|
Process for the production of sodium nitrate
|
|
DE431580C
|
|
Representation of aurosodium thiosulfate
|
|
DE429977C
|
|
Measuring liquid
|
|
DE431134C
|
|
Insulating oil
|
|
DE427744C
|
|
Transformer and switch oils
|
|
DE433556C
|
|
Process for making dusty powders adhesive
|
|
DE433668C
|
|
Method for emptying closed, dust-filled containers, especially for railroad cars
|
|
DE433366C
|
|
Process for roasting flax and similar fiber plants
|
|
DE433742C
|
|
Production of mono- or diammonium phosphate
|
|
DE432657C
|
|
Device for emptying and remote conveying of dust and similar bodies
|
|
DE427062C
|
|
Process for the photographic reproduction of line drawings, printed matter, etc. Like. By image reversal
|
|
DE428087C
|
|
Continuous extraction of sulfur
|
|
DE434403C
|
|
Process for the separation of amine mixtures partially hydrogenated aromatic compounds
|
|
DE433666C
|
|
Process for the complete dewatering of melts of alkaline earth chlorides and chlorine magnesium
|
|
DE431765C
|
|
Production of calcium nitrate in solid form
|
|
DE431634C
|
|
Process for the preparation of photosensitive silver salt emulsions
|
