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Christian Hirt
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Mannstoll!
Christian Hirt · H. Preibe & Co.
110 sayfa · 1902
Nymphomania / Women / History / Sources / Women's rights
Stresses in spur gear teeth and their strength as influenced by fillet radius
Manfred Christian Otto Hirt · American Gear Manufacturers Association
185 sayfa · 1985
Gearing, Spur / Spur Gearing