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The design was simple and consisted of five articulated leaves that stowed neatly at the end of each hatch. Patented in 1929, the steel hatch improved ship and cargo safety and had a lasting impact on cargo care.
The design was simple and consisted of five articulated leaves that stowed neatly at the end of each hatch. Patented in 1929, the steel hatch improved ship and cargo safety and had a lasting impact on cargo care.
