Language:Chinese.Soft cover.publisher:Machine Press Pub. Date :2010-05-01.description:Paperback. Pages Number: 236 Publisher: China Machine Press Pub. Date :2010-05-01. Screw pump screw introduces the classification. working principles. characteristics and use. and tooth profile equation is commonly used. conjugate tooth. spiral surfa
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Soft cover. Condition: New. Language:Chinese.Author:LI FU TIAN.Binding:Soft cover.Publisher:Machine Press Pub. Date :2010-05-01. Seller Inventory # 871792
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