US PATENT SUBCLASS 525 / 933
BLEND OF LIMITED GAS PERMEABILITY
Current as of:
June, 1999
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525 /
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SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
933
BLEND OF LIMITED GAS PERMEABILITY
DEFINITION
Classification: 525/933
BLEND OF LIMITED GAS PERMEABILITY:
Subject matter under Class 525 involves a polymeric mixture with limited gas permeability.
