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

Helmut Kampfer

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Color photographic recording material

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
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Color photographic recording material and a process for the prep

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
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Color-photographic recording material

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
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Gradation variable black- and -white paper

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
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Gradation-variable black-and-white paper

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Silver compound sensitizer containing
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