Relationship between modulus of elasticity, modulus of rupture, and selected physical characteristics of eastern spruce structural lumber : Part I - Analysis of stress grading systems for eastern spruce structural lumber
James E. Shottafer, Gregory Baker
Bok Engelsk 1969
Utgitt | Orono, Maine : Maine Agricultural experiment station, University of Maine , 1969
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Omfang | 24 s. : ill.
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Emner | gran styrkesortering konstruksjonsvirke
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