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Nozzle tip for glass injection cartridge
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Patent number 5,885,316
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Issue date Mar 23, 1999
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Fuji Photo Optical Co., Ltd.
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Yasuhiko Sato
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Glass forming apparatus
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Patent number 5,540,746
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Issue date Jul 30, 1996
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Sumitomo Heavy Industries, Ltd.
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Takuya Sasaki
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C03 - GLASS MINERAL OR SLAG WOOL
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3844755
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Patent number 3,844,755
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Issue date Oct 29, 1974
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C03 - GLASS MINERAL OR SLAG WOOL
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1471725
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Patent number 1,471,725
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Issue date Oct 23, 1923
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C03 - GLASS MINERAL OR SLAG WOOL