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发明名称
MULTIPLE-EXPOSURE DEVICE
摘要
申请公布号
US3621770(A)
申请公布日期
1971.11.23
申请号
USD3621770
申请日期
1969.04.17
申请人
NIPPON KOGAKU KK.
发明人
TOMIO TSURUOKA
分类号
G03B17/30;G03B17/42;(IPC1-7):G03B17/42;G03B9/68
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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