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Eltech Innovations Inc.
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Bremerton, WA, US
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Patent Grant
Perforating, seal-greasing apparatus and method
Patent number
4,534,449
Issue date
Aug 13, 1985
Eltech Innovations Inc.
Eldon E. Larson
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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