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DD295822A5
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Heating element in glass melting ovens with indirect resistance heating
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DD291071A5
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Device for delivering electric energy in silicated melts, in particular glass melts
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DD291069A5
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Arrangement for glass melting
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DD291070A5
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Arrangement of cylindrical, internal cooled ferrochromette
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DD289756A5
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Mounting for electrical contact
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DD289755A5
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Method and arrangement for defect control of individual heating elements
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DD289032A5
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Electrode arrangement
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DD289034A5
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Method and device for relaxing a particular thermally treated glasshole butter
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DD289120A5
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Formstone for the production of gratings for heat exchangers
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DD288368A5
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Melting pan for silicative substances
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DD287244A5
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Melting aggregate for melting silicatic fabrics
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DD287243A5
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Arrangement for melting silicatic fabrics
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DD299584A7
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Melting aggregate for producing glass
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DD286213A5
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Fireproof stone
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DD285084A5
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Device for the glazing of temporary molybdaen electrodes on glass melt ovens
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DD285156A5
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Terminal connection schell
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DD284964A5
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Fireproof stone
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DD284518A5
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Heat exchangers from glass tube
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DD283198A5
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Method and device for regulating combustibility in industrial ovens with regenerative air prevention
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DD282973A5
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Module for industrial oven
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