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发明名称
MACHINE FOR MIXING PLASTIC MATERIALS
摘要
申请公布号
CA320637(A)
申请公布日期
1932.03.15
申请号
CAD320637
申请日期
申请人
THE UNITED STATES GYPSUM COMPANY
发明人
CARLISLE K. ROOS;MURRELL G. ALLISON
分类号
主分类号
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代理人
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