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Wilhelm Schaefer Maschinenbau GmbH & Company
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Wilnsdorf, DE
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last 30 patents
Information
Patent Grant
Process and apparatus for producing hollow bodies having at least o...
Patent number
5,765,420
Issue date
Jun 16, 1998
Wilhelm Schaefer Maschinenbau GmbH & Co.
August Wilhelm Schaefer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Internal high-pressure forming process and apparatus
Patent number
5,711,059
Issue date
Jan 27, 1998
Wilhelm Schaefer Maschinenbau GmbH & Company
August Wilhelm Schaefer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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