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Despite the machine type, centrifugal(CT) or two-chamber pressure(PR)machine, jet flow and F type filling were observed in the occlusal area. The flow pattern in the axial area, however, was controlled by the main body force of each casting machine; it was the B type for PR and the F type for CT. Major factors related to internal defects were sprue diameter for PR and sprue-attachment position and angle for CT.","subitem_description_type":"Abstract"}]},"item_5_full_name_3":{"attribute_name":"\u8457\u8005\u5225\u540d","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"39944","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Watanabe, Kouichi"}]},{"nameIdentifiers":[{"nameIdentifier":"39945","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Okawa, Seigo"}]},{"nameIdentifiers":[{"nameIdentifier":"39946","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kanatani, Mitsugu"}]},{"nameIdentifiers":[{"nameIdentifier":"39947","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Nakano, Syuji"}]},{"nameIdentifiers":[{"nameIdentifier":"39948","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Miyakawa, Osamu"}]},{"nameIdentifiers":[{"nameIdentifier":"39949","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Kobayashi, 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