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1by Purwanto Purwanto“...The increasing use of composites in all fields is engineered materials that many people do...”
Published 2017-04-01
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2Subjects: “...wood burning husk ash, compressive strength, fine briquette charcoal powder...”
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3by Purwanto Purwanto“...Utilization of waste materials with various engineering for the manufacture of products in all...”
Published 2018-03-01
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