Industrial Heating, Volym 14National Industrial Publishing Company, 1947 |
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Sida 222
... tion to the corrugated - metal inner covers employed over the load to retain the controlled atmosphere . The inner covers in both of the above cases permit cooling of the loads under a protective atmos- phere after the heating hoods ...
... tion to the corrugated - metal inner covers employed over the load to retain the controlled atmosphere . The inner covers in both of the above cases permit cooling of the loads under a protective atmos- phere after the heating hoods ...
Sida 288
... tion of the Engineers ' Society of Western Pennsylvania , in Pitts- burgh , Pa . , covering basic refrac- tories for open - hearth furnace con- struction , the matching of proper- ties of refractories with service conditions ...
... tion of the Engineers ' Society of Western Pennsylvania , in Pitts- burgh , Pa . , covering basic refrac- tories for open - hearth furnace con- struction , the matching of proper- ties of refractories with service conditions ...
Sida 376
... tion to withstand weathering in such open air installations as brick or coke ovens . In such cases , the insulation must be able to with- stand both excessive wetting and excessive baking by the sun with- out any serious deterioration ...
... tion to withstand weathering in such open air installations as brick or coke ovens . In such cases , the insulation must be able to with- stand both excessive wetting and excessive baking by the sun with- out any serious deterioration ...
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JANUARY 1947 No 1 | 25 |
HULTGREN Salt Bath Furnaces are widely | 27 |
Ma | 35 |
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