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DIN 28138-1 [Withdrawn] referenced in following documents:

Document number Edition Title
DIN 28131 1992-09 Agitators and baffles for agitator vessels; types, terms and main dimensions More 
DIN 28141 2003-11 Connecting flanges for vessels and process apparatus of non-alloy and stainless steel More 
DIN 28155 1992-02 Flanged couplings for carbon and stainless steel agitator shafts; coupling in the agitator vessel; dimensions More