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Fast metal mold producing technology
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Technology for rapidly manufacturing mould
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Process for treating industrial sewage containing nitrobenzenes compounds by adsorption method
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Earthing protection method for stator of power generator
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Displacement sensor for measuring surface form
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Automatic product image detecting system
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Single-side zero-angle up and down carriers division multiplex/demultiplex and optical insertion multiplex devices
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Laser device by high-frequency transverse excit of gas
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Welding electrode of stainless martensitic-austenitic steel for resisting gas holes, moisture and abrasion
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High-strength and high-toughness CO2 gas-shielded basic cored welding wire
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Regulatable reactor system based on magnetic flux compensation
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Dynamic electronic cipher system
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Polypeptide medicine as oral spray
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Unit type expandable optical wave division and composite use parts
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Method for eliminating eccentric vibration in rotation axle radial vibration test
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Process and equipment for preparing superfine powder by heating and evaporation
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Electromagnetic energy-absorbing thunder eliminator
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Waveguide near-field writing and reading head for optical record carrier
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Pure gold and its prepn. method
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Pressureless penetration casting method for aluminium-base composite material
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