DIN ISO 6045:1988-02 Shipbuilding and marine structures; bearings for derrick goosenecks; assemblies and components; identical with ISO 6045, edition 1987
1988DIN ISO 6045:1988-02 Shipbuilding and marine structures; bearings for derrick goosenecks; assemblies and components; identical with ISO 6045, edition 1987
1988DIN ISO 6045:1988 Shipbuilding and marine structures; bearings for derrick goosenecks; assemblies and components; identical with ISO 6045, edition 1987