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CPC
F22D1/48

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F22Steam generation F22DPREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FEED-WATER SUPPLY CONTROLLING WATER LEVEL AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN BOILERS F22D1/00Feed-water heaters

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F22D1/48Details

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Patents Grantslast 30 patents

Information Patent Grant
1579312
- Patent number 1,579,312
- Issue date Apr 6, 1926
- F22 - STEAM GENERATION
Information Patent Grant
1579526
- Patent number 1,579,526
- Issue date Apr 6, 1926
- F22 - STEAM GENERATION
Information Patent Grant
1559730
- Patent number 1,559,730
- Issue date Nov 3, 1925
- F22 - STEAM GENERATION