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发明名称
Fusible salt pattern composition and process of making molds
摘要
申请公布号
US3131999(A)
申请公布日期
1964.05.05
申请号
US19600013913
申请日期
1960.03.09
申请人
SUMITOMO KINZOKU KOGYO KABUSHIKI KAISHA
发明人
SUZUKI KAZURO;HIRAIWA OSAMU
分类号
B22C7/02
主分类号
B22C7/02
代理机构
代理人
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