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经营范围
发明名称
Carbon dioxide ice apparatus and process
摘要
申请公布号
US1887692(A)
申请公布日期
1932.11.15
申请号
US19280326274
申请日期
1928.12.15
申请人
DRYICE CORPORATION
发明人
JR. JAMES W. MARTIN,
分类号
C01B31/22
主分类号
C01B31/22
代理机构
代理人
主权项
地址
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