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标题:
DIN 51509-2-1988
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作者:
prettypoet9
时间:
2014-1-14 16:04:53
标题:
DIN 51509-2-1988
DIN 51509-2:1988-12 Schmierstoffe - Auswahl von Schmierstoffen für Zahnradgetriebe - Plastische Schmierstoffe
English title: Lubricants - Selection of lubricants for gears - Semi-fluid lubricants
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