968 / | HD | HOROLOGY |
294 | DD | CASES (cases with a special shape subclass 390; ornamentation of the case subclass 395; cartridges A45C 11/00-11/38) [G04B 37/00] {13} |
327 | DD | .~ Hermetic sealing of openings, joints, passages, or slits (covers or protecting devices which can be directly removed, or by sliding or turning subclass 300; hermetic sealing of watch or crystal with special pieces subclass 373; hermetically-sealed electrical switches H01H 23/06) [G04B 37/08] {6} |
337 | .~.~ Protection of wrist or pocket watch cases against dust [G04B 37/08M] |