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发明名称
Photographic agitator
摘要
申请公布号
US2480236(A)
申请公布日期
1949.08.30
申请号
US19470727694
申请日期
1947.02.10
申请人
GAY CLARENCE L
发明人
GAY CLARENCE L.
分类号
G03D3/04
主分类号
G03D3/04
代理机构
代理人
主权项
地址
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