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coal breaker us1419407

US1419407A US28002519A US1419407A US 1419407 A US1419407 A US 1419407A US 28002519 A US28002519 A US 28002519A US 1419407 A US1419407 A US 1419407A Authority US United States Prior art keywords coal anvil hammer members lumps Prior art date 19190301 Legal status The legal status is an assumption and is not a legal conclusion... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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