US PATENT SUBCLASS 114 / 79 R
.~ Iron
Current as of: June, 1999
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| 114 / | HD | SHIPS |
|
| 65 R | DF | BUILDING {17} |
| 79 R |  | .~ Iron {3} |
| 80 | DF | .~.~> Corrugated |
| 81 | DF | .~.~> Tubular |
| 79 W | DF | .~.~> Welded joint |
Unofficial Alpha Subclasses: R W
DEFINITION
Classification: 114/79
Various types of construction for iron vessels or in which iron or metal is an essential element of the hull structure.