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经营范围
发明名称
Sheet-arresting mechanism for photographic apparatus
摘要
申请公布号
US3016175(A)
申请公布日期
1962.01.09
申请号
US19580712544
申请日期
1958.01.31
申请人
POLAROID CORPORATION
发明人
WAREHAM RICHARD R.;WOLFF OTTO E.
分类号
G03B17/52
主分类号
G03B17/52
代理机构
代理人
主权项
地址
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