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发明名称
Photographic border-printing frame
摘要
申请公布号
US1929816(A)
申请公布日期
1933.10.10
申请号
US19320631747
申请日期
1932.09.06
申请人
HANSON MAYNARD D
发明人
HANSON MAYNARD D.
分类号
G03B27/28
主分类号
G03B27/28
代理机构
代理人
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地址
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