US PATENT SUBCLASS 220 / FOR 177
.~ Including specified barrier aperture fitting (e.g., flange, bung) (220/465)

Current as of: June, 1999
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220 /   HD   RECEPTACLES

FOR 127  DF  MULTILAYER BARRIER STRUCTURE (220/415) {23}
FOR 177.~ Including specified barrier aperture fitting (e.g., flange, bung) (220/465)

DEFINITION

Classification: 220/FOR.177

Including specified barrier aperture fitting (e.g., flange, bung):

Foreign art collections including a container with structural details of ingress or egress means through the barrier layers.