Standards JIS - Japanese technical standards - Page 525

Ships´ butterfly nuts

Standard published on 31.8.1993

Watertight sliding doors

Standard published on 31.5.1995

Shipbuilding -- Ullage holes

Standard published on 20.1.2021

Weathertight single-leaf steel doors

Standard published on 30.9.1999

Ships´ oiltight hatch covers

Standard published on 1.10.2003

Ships and marine technology -- Small weathertight steel hatches

Standard published on 10.8.2006

Marine small size manhole

Standard published on 28.2.1975

Fittings for small ships´ weathertight steel doors

Standard published on 31.10.1980

Shipbuilding -- Covers for tank cleaning holes

Standard published on 31.8.1999

Weathertight steel doors for small ships

Standard published on 31.3.1991