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经营范围
发明名称
Motion picture projector film feeding and rewind apparatus
摘要
申请公布号
US3018976(A)
申请公布日期
1962.01.30
申请号
US19580759905
申请日期
1958.09.09
申请人
MANSFIELD INDUSTRIES, INC.
发明人
NEMETH OTTO R.
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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