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经营范围
发明名称
Improvements in or relating to photographic film spool cassettes
摘要
申请公布号
GB750070(A)
申请公布日期
1956.06.06
申请号
GB19540024959
申请日期
1954.08.27
申请人
ILFORD. LIMITED
发明人
PINDER REGINALD EDWARD
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
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地址
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