220 / | HD | RECEPTACLES |
200 | DF | CLOSURES {45} |
260 | DF | .~ With closure opening arrangements for means (e.g., opening devices) {5} |
265 | DF | .~.~ Frangible member or portion {2} |
277 | DF | .~.~.~ With cutting, punching, or cutter accommodating means {2} |
278 | .~.~.~.~ Puncturing tool serves as closure |