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Piston ring with sulphonitriding treatment
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Patent number 7,833,636
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Issue date Nov 16, 2010
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Mahle International GmbH
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Juliano Avelar Araujo
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3912547
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Patent number 3,912,547
-
Issue date Oct 14, 1975
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3629012
-
Patent number 3,629,012
-
Issue date Dec 21, 1971
-
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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3268372
-
Patent number 3,268,372
-
Issue date Aug 23, 1966
-
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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2987871
-
Patent number 2,987,871
-
Issue date Jun 13, 1961
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1520063
-
Patent number 1,520,063
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Issue date Dec 23, 1924
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...