Language:Chinese.No Binding.publisher:China Labor and Social Security Publishing House P.description:Pages Number: 168 Publisher: China Labor and Social Security Publishing House Pub. Date: 2009 - 04 The book Modern enterprise security procedures of Standards and Technology Series one. Thermal processing generally refers to the metal casting. forgin
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Seller: liu xing, Nanjing, JS, China
paperback. Condition: New. Language:Chinese.Pages Number: 168 Publisher: China Labor and Social Security Publishing House Pub. Date: 2009 - 04 The book Modern enterprise security procedures of Standards and Technology Series one. Thermal processing generally refers to the metal casting. forging. welding and heat treatment. etc. which is characterized by the production process is often accompanied with high temperatures. toxic gases. dust and noise. poor working conditions. prone to injury accidents. From the practical. Seller Inventory # J54964