Chemiebau Dr. A. Zieren GmbH & Co. KG.

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Cologne, DT

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Patents Grantslast 30 patents

Information Patent Grant
Production of sulfuric acid from the scrubbing solution obtained in...
- Patent number 3,943,237
- Issue date Mar 9, 1976
- Chemiebau Dr. A. Zieren GmbH & Co. KG.
- Herbert Furkert
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Strain equalizer for thermally stressed pipes
- Patent number 3,930,675
- Issue date Jan 6, 1976
- Chemiebau Dr. A. Zieren GmbH & Co.
- Joachim Sasse
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

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