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American Society of Agricultural Engineers
> Ralph Baumheckel
Ralph Baumheckel
R. B.
ยท
Ralph B.
title
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(ISBN-10)
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tion
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International Harvester Farm Equipment Product History 1831-1985
978-O-929355-86-3
(O-929355-86-5)
1997
Kent Borghoff
Ralph [Bearb.]: Jentsch