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发明名称
Camera
摘要
申请公布号
US2220917(A)
申请公布日期
1940.11.12
申请号
US19370149558
申请日期
1937.06.22
申请人
THE KALART COMPANY, INC.
发明人
SCHWARTZ MORRIS
分类号
G03B19/04
主分类号
G03B19/04
代理机构
代理人
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