US PATENT SUBCLASS 92 / 36
.~ With non-bellows type expansible chamber

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

34  DF  BELLOWS TYPE EXPANSIBLE CHAMBER {10}
36.~ With non-bellows type expansible chamber

DEFINITION

Classification: 92/36

(under subclass 34) Apparatus including a second expansible chamber device other than a bellows type.