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发明名称
Vignetting film printer
摘要
申请公布号
US2955520(A)
申请公布日期
1960.10.11
申请号
US19560629742
申请日期
1956.12.20
申请人
C-M EQUIPMENT CORPORATION
发明人
MCCULLOUGH RUSSELL H.
分类号
G03B27/08;G03B27/475
主分类号
G03B27/08
代理机构
代理人
主权项
地址
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