US PATENT SUBCLASS 114 / 198
.~ Sea cocks

Current as of: June, 1999
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114 /   HD   SHIPS

*  DD  VALVES {2}
198.~ Sea cocks

DEFINITION

Classification: 114/198

Devices permitting the entrance of seawater from outside to the hold, magazine, etc., or for submerging the ship and usually placed in the bottom or between double bottoms and structurally united therewith.