US PATENT SUBCLASS 140 / 92.4
.~.~ Method

Current as of: June, 1999
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140 /   HD   WIREWORKING

71 R  DF  ARTICLE MAKING OR FORMING {22}
92.3  DF  .~ Helix screwing through row of loops or openings {8}
92.4.~.~ Method

DEFINITION

Classification: 140/92.4

(under subclass 92.3) Processes.