
Parallel pins, of hardened steel and martensitic stainless steel (Dowel pins) (ISO 8734:1997); German version EN ISO 8734:1997
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Parallel pins, of hardened steel and martensitic stainless steel (Dowel pins) (ISO 8734:1997); German version EN ISO 8734:1997
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频