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CH687478A5
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A method for drying a screed.
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CH685310A5
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Process for drying room floors.
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DE3502662A1
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Heating boiler for compressed gas or compressed oil with a pot-shaped combustion chamber provided in an inner ribbed pipe
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DE3502661A1
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Heating boiler for compressed gas or compressed oil with a pot-shaped combustion chamber provided in an inner ribbed pipe
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DE3302856A1
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Internally finned tube for a heating boiler heated by compressed gas or compressed oil
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DE3302855A1
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Inner fin tube for heating boilers heated by compressed gas or compressed oil
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DE3231318A1
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Internally ribbed tube for heating boilers heated by means of pressurized gas or pressurized oil
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DE3231322A1
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Internally finned pipe for heating boilers heated with compressed gas or compressed oil
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DE2931027A1
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Gas or oil fired boiler - has horizontal combustion chamber with full height and half height baffle plates in flame path
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DE2920057A1
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Internally-finned boiler tube - consists of strips with offset lugs welded together
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