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BG99816A
|
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Transmission box
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BG99622A
|
|
Friction dry clutch
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|
BG41645A1
|
|
Circuit for phase control of thyristor converters
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|
BG40439A1
|
|
Photographic device for luminescence analysis
|
|
BG40438A1
|
|
Spectrograph for luminescence analysis
|
|
BG40198A1
|
|
Welding machine for manufacture of rarefied framework net
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|
BG38820A1
|
|
Device for cutting of tubes
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|
BG40860A1
|
|
Method for recuperating nickel from used nickel catalysts and preparation of pure basic nickel carbonate
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|
BG40355A1
|
|
Catalyst for oxidizing mercaptans in earth oil fractions
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|
BG38516A1
|
|
Catalyst for hydrogenating nitrobenzene to aniline and method for its preparation
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|
BG39149A1
|
|
Applied palladium catalyst for complete oxidizing of aromatic hydrocarbons and method for its preparing
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|
BG34825A1
|
|
Method for obtaining polymers with a conjugated system
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|
BG33359A1
|
|
Method for making of polyamidcarbonic acid
|
|
BG31012A1
|
|
Method and apparatus for control the process duration of the semiperiodic neutralisation of plantiol
|
|
BG30680A1
|
|
Phenosulphone copolymer and method for its obtaining
|
|
BG29389A1
|
|
Instrument for automatic control of concentration of natrium hydroxide in soap- alkale solutions
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|
BG28148A1
|
|
Conservation coposition for corrosion protection of metal details and especially for roller and ball bearings and method of their obtaining
|
|
BG27634A1
|
|
Method of obtaining of polyquinoline
|
|
BG27454A1
|
|
Method and apparatus for automatig determination the degree of plant oils neutralisation
|
|
BG28924A1
|
|
Method of obtaining of phenolformaldehyde resine
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