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Ralph Sievering
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Wermelskirchen, DE
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last 30 patents
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Patent Grant
Melt spinning apparatus and method
Patent number
5,354,529
Issue date
Oct 11, 1994
Barmag AG
Hans-Peter Berger
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Patent Grant
Apparatus for melt spinning multicomponent yarns
Patent number
5,352,106
Issue date
Oct 4, 1994
Barmag AG
Erich Lenk
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING