US PATENT SUBCLASS 114 / 125
.~ Water tanks

Current as of: June, 1999
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114 /   HD   SHIPS

121  DF  BALLASTING {5}
125.~ Water tanks

DEFINITION

Classification: 114/125

Devices in which ballasting is secured by watertanks adapted to be filled or emptied, thereby distributing weight, which steadies and trims the vessel in sailing, etc.