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How Lumber is graded

nam a22 7a 4500
240924b1933 ii d00 0 tam d
_ _ |a 39836
_ _ |a IN-ChTVA |d IN-ChTVA
0 _ |a Betts, H. S.
0 0 |a How Lumber is graded |c By H. S. Betts and R. K. Helphenstine
_ _ |a Washington |b United States Department of Agriculture |c 1933
_ _ |a 48 p.
0 _ |a United States Department of Agriculture - Department Circular No. |l 64
_ _ |a In English
0 0 |a Helphenstine, R. K.
_ 0 |a Science |v Botany
0 _ |a Wood, Hardwood lumber, Softwood lumber, Redwood, White pine, Sugar pine
_ _ |8 தமிழ்நாடு வேளாண்மை பல்கலைக்கழகம் |8 tamiḻnāṭu vēḷāṇmai palkalaikkaḻakam
_ _ |a TVA_BOK_0039836
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