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Multi passage flexible connector
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Patent number 4,103,939
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Issue date Aug 1, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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E21 - EARTH DRILLING MINING
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Tension bearing connector
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Patent number 4,098,527
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Issue date Jul 4, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ocean floor riser connection
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Patent number 4,076,284
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Issue date Feb 28, 1978
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Murdock Machine & Engineering Co.
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John T. Herbert
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E21 - EARTH DRILLING MINING
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Single element flexible connection
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Patent number 4,068,864
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Issue date Jan 17, 1978
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Murdock Machine & Engineering Company
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John T. Herbert
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...