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Vehicle for use in pipes
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Patent number 5,388,528
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Issue date Feb 14, 1995
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Osaka Gas Company, Limited
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Ronald E. Pelrine
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Vehicle for use in pipes
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Patent number 5,284,096
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Issue date Feb 8, 1994
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Osaka Gas Company, Limited
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Ronald E. Pelrine
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Human bipedal locomotion device
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Patent number 5,016,869
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Issue date May 21, 1991
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Applied Motion
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G. John Dick
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS