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BG60954B2
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Moisture-and-oil separator
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|
BG41626A1
|
|
System for telecontrol of road signalizing net
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|
BG41062A1
|
|
Method for preparing surface layers of metal work- pieces with improved mechanical characteristics
|
|
BG40697A1
|
|
Method for plasma cutting of metals
|
|
BG40035A1
|
|
Plasmotron for cutting metals and electroconductive materials
|
|
BG37640A1
|
|
Device for measuring liquid flow
|
|
BG37108A1
|
|
Method for vertical electric arc welding in protective gas medium
|
|
BG37037A1
|
|
Flowmeter for transparent liquids
|
|
BG35540A1
|
|
Method and appliance for regenerating damaged hydrologicks of dam lake drainers
|
|
BG34088A1
|
|
Method for obtaining an aqueous solution of ferric chloride
|
|
BG33048A1
|
|
Apparatus for connecting of two natatory vessels in water
|
|
BG31322A1
|
|
Insulation composition and method for eliminating of complications in drills
|
|
BG30863A1
|
|
Apparatus for catching of stopperssing drill
|
|
BG31321A1
|
|
Composition and method for insulation of cracks and cavities bj drilling
|
|
BG31581A1
|
|
Apparatks for catching of corcs in drills
|
|
BG33044A1
|
|
Universal burner for welding and cutting of metals
|
|
BG30362A1
|
|
Plasmotron for cutting of metals
|
|
BG29755A1
|
|
Method for metal plasma cutting
|
|
BG29620A1
|
|
Method for thermal electric arc metal welding
|
|
BG28896A1
|
|
Method and apparatus for welding of metals under water
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