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发明名称
Self-threading device for motionpicture apparatus
摘要
申请公布号
US2472143(A)
申请公布日期
1949.06.07
申请号
US19470733638
申请日期
1947.03.10
申请人
REVERE CAMERA COMPANY
发明人
BRISKIN JACK
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
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地址
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