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Overspeed safety device
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Patent number 5,297,573
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Issue date Mar 29, 1994
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Atlas Copco Tools AB
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Rolf A. Jacobsson
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Pressure operated valve
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Patent number 4,097,184
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Issue date Jun 27, 1978
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Atlas Copco Aktiebolag
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Gunnar Christer Hansson
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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3918213
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Patent number 3,918,213
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Issue date Nov 11, 1975
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G05 - CONTROLLING REGULATING
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3904305
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Patent number 3,904,305
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Issue date Sep 9, 1975
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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2440328
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Patent number 2,440,328
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Issue date Apr 27, 1948
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES