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Solder flux
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Patent number 10,835,999
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Issue date Nov 17, 2020
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University of Leicester
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Karl Ryder
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Phosphoric acid soldering flux
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Patent number 3,985,587
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Issue date Oct 12, 1976
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Allegheny Ludlum Industries, Inc.
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Edward G. Choby
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Phosphoric acid soldering flux
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Patent number 3,985,586
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Issue date Oct 12, 1976
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Allegheny Ludlum Industries, Inc.
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Edward G. Choby
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Soldering of stainless steels
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Patent number 3,970,238
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Issue date Jul 20, 1976
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Lake Chemical Company
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Lester Aronberg
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3909312
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Patent number 3,909,312
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Issue date Sep 30, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3865641
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Patent number 3,865,641
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Issue date Feb 11, 1975
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3660127
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Patent number 3,660,127
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Issue date May 2, 1972
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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3597285
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Patent number 3,597,285
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Issue date Aug 3, 1971
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3486948
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Patent number 3,486,948
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Issue date Dec 30, 1969
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2987817
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Patent number 2,987,817
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Issue date Jun 13, 1961
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2845700
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Patent number 2,845,700
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Issue date Aug 5, 1958
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2710792
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Patent number 2,710,792
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Issue date Jun 14, 1955
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2477181
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Patent number 2,477,181
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Issue date Jul 26, 1949
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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2031909
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Patent number 2,031,909
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Issue date Feb 25, 1936
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR