TREA

in different ring systems, each system containing at least one hetero ring

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Industry

  • CPC
  • G03G5/0661
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Parent Industries

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY G03G5/00Recording members for original recording by exposure

Current Industry

G03G5/0661in different ring systems, each system containing at least one hetero ring
Industries