US PATENT SUBCLASS 434 / 234
.~ Soldering or welding

Current as of: June, 1999
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434 /   HD   EDUCATION AND DEMONSTRATION

219  DF  OCCUPATION {8}
234.~ Soldering or welding

DEFINITION

Classification: 434/234

Soldering or welding:

(under subclass 219) Subject matter relating to welding or soldering, including devices for simulating the "puddle" created by a welding torch.