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经营范围
发明名称
Improvements in or relating to spools for photographic film and the like
摘要
申请公布号
GB791445(A)
申请公布日期
1958.03.05
申请号
GB19560002374
申请日期
1956.01.24
申请人
COLIN WARRICK
发明人
分类号
G03B17/30
主分类号
G03B17/30
代理机构
代理人
主权项
地址
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