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METHOD FOR DEVELOPING BY FORMING PLATE-LIKE MOUNTING BASE CONSTRUCTED FOR FITTED RECEIVING TUBES OR NOZZLES EXPEDIENTLY TUBE-SHEET OF HEAT EXCHANGER FURTHERMORE TUBE-SHEET OF HEAT EXCHANGER
METHOD FOR DEVELOPING BY FORMING PLATE-LIKE MOUNTING BASE CONSTRUCTED FOR FITTED RECEIVING TUBES OR NOZZLES EXPEDIENTLY TUBE-SHEET OF HEAT EXCHANGER FURTHERMORE TUBE-SHEET OF HEAT EXCHANGER