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Dust-proof structure of a cone crusher
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Patent number 7,931,223
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Issue date Apr 26, 2011
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Minyu Machinery Corp. Ltd.
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Hou-Kun Lee
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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Wire product manufacturing apparatus
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Patent number 6,044,682
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Issue date Apr 4, 2000
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Minyu Machinery Corp., Ltd.
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Ming-Yih Cheng
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Automatic spring formation apparatus
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Patent number 5,829,293
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Issue date Nov 3, 1998
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Minyu Machinery Corp., Ltd.
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Ming-Yih Cheng
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Automatic spring formation apparatus
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Patent number 5,452,598
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Issue date Sep 26, 1995
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Minyu Machinery Corp., Ltd.
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Ming-Yih Cheng
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...