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经营范围
发明名称
EXPOSURE VALUE COMPENSATOR
摘要
申请公布号
US3429243(A)
申请公布日期
1969.02.25
申请号
USD3429243
申请日期
1965.08.16
申请人
POLAROID CORP.
发明人
ELDRIDGE R. BOYLE JR.
分类号
G01J1/42;(IPC1-7):G01J1/22
主分类号
G01J1/42
代理机构
代理人
主权项
地址
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