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Alexander Wiegand GmbH+Co., Armaturen-und Manometerfabrik
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Klingenberg/Main, DE
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Patent Grant
Process for the production of a tube spring manometer measurement s...
Patent number
4,726,217
Issue date
Feb 23, 1988
Alexander Wiegand GmbH+Co., Armaturen-und Manometerfabrik
Helmut Berninger
G01 - MEASURING TESTING
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