Locating lumber defects by ultrasonics
[by Kent A. McDonald, Roger G. Cox, and Erwin H. Bulgrin]
Bok Engelsk 1969
Utgitt | Madison, Wis. : U.S. Forest Products Laboratory , 1969
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Omfang | 12 p. : ill.
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Emner |
Utgitt | Madison, Wis. : U.S. Forest Products Laboratory , 1969
|
---|---|
Omfang | 12 p. : ill.
|
Emner |