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Tube joint
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Patent number 5,758,905
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Issue date Jun 2, 1998
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Kabushiki Kaisha Nihon Pisco
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tubing joint
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Patent number 5,692,784
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Issue date Dec 2, 1997
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Kabushiki Kaisha Nihon Pisco
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tubing joint
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Patent number 4,747,626
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Issue date May 31, 1988
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Kabushiki Kaisha Nihon Pisco
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tubing joint
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Patent number 4,593,943
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Issue date Jun 10, 1986
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Kabushiki Kaisha Nihon Pisco
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Tomio Hama
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...