اذا لم تجد ما تبحث عنه يمكنك استخدام كلمات أكثر دقة.
Author: Maggard, James H.
Title: Rough and Tumble Engineering
Language: English
LoC Class: TJ: Technology: Mechanical engineering and machinery
Subject: Farm engines
Release Date: Feb 1, 2004
Copyright Status: Public domain in the USA.
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