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发明名称
Attaching device
摘要
申请公布号
US2995072(A)
申请公布日期
1961.08.08
申请号
US19580734925
申请日期
1958.05.13
申请人
POLAROID CORPORATION
发明人
JR. WILLIAM H. EBURN,;WAREHAM RICHARD R.
分类号
G03B7/083
主分类号
G03B7/083
代理机构
代理人
主权项
地址
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