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发明名称
Shutter mechanism
摘要
申请公布号
US2453180(A)
申请公布日期
1948.11.09
申请号
US19450627745
申请日期
1945.11.09
申请人
POLAROID CORPORATION
发明人
BACHELDER ALBERT J.;WOLFF OTTO E.
分类号
G03B35/10
主分类号
G03B35/10
代理机构
代理人
主权项
地址
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