Increased yield of turpentine and rosin from double chipping / by A.W. Schorger and R.L. Pettigrew.
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1917.
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Series: | Bulletin of the U.S. Department of Agriculture ;
no. 567. |
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