DIN 85389 E:2019-05 Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design
2020DIN 85389:2020-03 Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design
1970DIN 85389 E:2019-05 Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design
1998DIN 85389:1998 Ships and marine technology - Flanges on castings extra light duty - DN 32 to DN 50, PN up to 25, DN 65 to DN 125, PN up to 10 - Principles of design