US PATENT SUBCLASS 219 / 83
.~.~.~ Methods

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
78.01  DF  .~ For bonding with pressure (e.g., resistance welding) {16}
81  DF  .~.~ Roller electrode {3}
83.~.~.~ Methods

DEFINITION

Classification: 219/83

(under subclass 81) Methods.