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经营范围
发明名称
Ice forming device
摘要
申请公布号
US1920526(A)
申请公布日期
1933.08.01
申请号
US19280320060
申请日期
1928.11.17
申请人
RUDD HARRY B
发明人
RUDD HARRY B.
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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