
SCREW AND WASHER ASSEMBLIES MADE OF STEEL WITH PLAIN WASHERS - WASHER HARDNESS CLASSES 200 HV AND 300 HV
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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SCREW AND WASHER ASSEMBLIES MADE OF STEEL WITH PLAIN WASHERS - WASHER HARDNESS CLASSES 200 HV AND 300 HV
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频