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Lead alloy battery grids by laser treatment
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Patent number 4,978,601
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Issue date Dec 18, 1990
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International Lead Zinc Research Organization, Inc.
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Michael M. Kim
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3929513
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Patent number 3,929,513
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Issue date Dec 30, 1975
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C30 - CRYSTAL GROWTH
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3759752
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Patent number 3,759,752
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Issue date Sep 18, 1973
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3706605
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Patent number 3,706,605
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Issue date Dec 19, 1972
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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3315342
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Patent number 3,315,342
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Issue date Apr 25, 1967
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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1785502
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Patent number 1,785,502
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Issue date Dec 16, 1930
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1722358
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Patent number 1,722,358
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Issue date Jul 30, 1929
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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1675644
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Patent number 1,675,644
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Issue date Jul 3, 1928
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...