4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Heterocyclic carbon compounds containing a hetero ring...

Rodney L. Johnson

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Bioactive quisqualic acid analogs

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
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Collapsible playroom

Supports: cabinet structure – With seat or rest – Seat storable within cabinet
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Control and data system

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Level sensor

Measuring and testing – Liquid level or depth gauge – Float
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