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CS568988A1
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Throttling device
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CS445186A1
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Device for closed space protection from non-allowable inside overpressure
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CS350986A1
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Connection for gas preheating equipment's overpressure protection
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CS246670B1
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Connection of valve cone with spindle
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CS81585A1
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Method of magnesium silicate production
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CS1034784A1
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Coupling of two circular tubes in t-position
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CS249359B1
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Method of colloidal silicton dioxide,aluminium-modified,production
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CS250122B1
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Gas preheating device safeguard connection against overpressure
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CS836084A1
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Gas preheating overpressure protective connection
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CS416784A1
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Check valve
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CS363284A1
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Connection of seat with check valve's body or flap's body
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CS234655B1
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Automatic operating valve of piston compressor
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CS225790B1
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The metal electromagnetic atomizer
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CS219782B1
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Connection of the cooling circuit for possibilities of alternate utilization of the condensation heat for heating purposes
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