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经营范围
发明名称
NEGATIVE PROJECTION TRANSPARENCIES AND METHOD
摘要
申请公布号
US3609360(A)
申请公布日期
1971.09.28
申请号
USD3609360
申请日期
1969.09.15
申请人
JOSEPH A. WIESE JR.
发明人
JOSEPH A. WIESE JR.
分类号
B41M5/382;G03C1/73;(IPC1-7):G01N21/34
主分类号
B41M5/382
代理机构
代理人
主权项
地址
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