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Racket for batting games
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Light weight shell structures of high strength-weight ratio
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Pre-heating installations for boilers for quick heating and steaming
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Racket for tennis and batting games
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Method of making cellular structures
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Preheating installation in boilers for quick heating and steaming
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Racket for tennis and batting games and method of manufacturing same
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Auxiliary preheating element in boilers for quick steaming and heating
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Built up metal tube, frame and skeletonized metal member of high strength weight, and method of forming same
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Tennis or squash racket
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Tennis racket
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Golf club
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Tennis racket
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Tennis racket
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Reenforced concrete and steel construction
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Reenforced concrete and steel ship construction and method of making the same
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Method of forming composite floor construction.
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Building construction
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