US PATENT SUBCLASS 968 / 269
.~.~ Materials and manufacturing (alloys, in general C22C) [G04B 29/02S]


Current as of: June, 1999
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968 /   HD   HOROLOGY

265  DD  FRAMEWORKS [G04B 29/00] {2}
266  DD  .~ Plates; bridges; cocks [G04B 29/02] {3}
269.~.~ Materials and manufacturing (alloys, in general C22C) [G04B 29/02S]