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发明名称
Device for detecting the presence or absence of film in movie cameras
摘要
申请公布号
US3377982(A)
申请公布日期
1968.04.16
申请号
US19660579155
申请日期
1966.09.13
申请人
NIPPON KOGAKU K. K.
发明人
KATSUYAMA YOSHIHISA
分类号
G03B1/66;G03B21/43
主分类号
G03B1/66
代理机构
代理人
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