US5716476A
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Balsa core laminate having bevelled edges
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US5798160A
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Foam-plastic core for structural laminate
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US4568585A
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Contourable core for structural laminates
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US4536427A
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Scrimless contourable core for use in laminated contoured structures
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US4428993A
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Structural laminate with expanded wood core
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US4461666A
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Contoured balsa-core laminate
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US4343846A
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Balsa-core sandwich laminate
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US4262717A
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Conversion of balsa logs into panels
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US4301202A
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Technique for converting balsa logs into panels
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US4204900A
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Method of producing thin balsa wood sheets
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US4239008A
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Lightweight railway car hatch cover
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US4351680A
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Technique for converting balsa logs into contourable panels
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US4230061A
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Liquid cargo container
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US4208369A
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Technique for converting balsa logs into panels
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US4122878A
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Technique for converting balsa logs into panels
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US4101045A
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Cryogenic container
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US3909342A
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Machine for making contour-core blankets
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US3894372A
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Cryogenic insulating panel system
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