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Multi-function vacuum collector
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Patent number 7,823,248
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Issue date Nov 2, 2010
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Chang Tjer Industrial Co., Ltd.
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Kun Yi Lin
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Dust collector
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Patent number D593264
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Issue date May 26, 2009
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Chang Tjer Industrial Co., Ltd.
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Kun-Yi Lin
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D32 - Washing, cleaning, or drying machine
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Dust collector
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Patent number D358234
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Issue date May 9, 1995
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Chang Tjer Industrial Co., Ltd.
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Kun-Yih Lin
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D32 - Washing, cleaning, or drying machine
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Dust collector
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Patent number D357094
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Issue date Apr 4, 1995
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Chang Tjer Industrial Co., Ltd.
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Kun-Yih Lin
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D32 - Washing, cleaning, or drying machine
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Dust collector
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Patent number D357095
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Issue date Apr 4, 1995
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Chang Tjer Industrial Co., Ltd.
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Kun-Yih Lin
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D32 - Washing, cleaning, or drying machine