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经营范围
发明名称
Film-feeding mechanism
摘要
申请公布号
US2521957(A)
申请公布日期
1950.09.12
申请号
US19490085006
申请日期
1949.04.01
申请人
EASTMAN KODAK COMPANY
发明人
WITTEL OTTO;JUNGJOHANN VERNON H.
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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