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发明名称
Improvements in winding and reeling carriers and spindles particularly for photographic films and the like
摘要
申请公布号
GB349086(A)
申请公布日期
1931.05.21
申请号
GB19290025518
申请日期
1929.11.21
申请人
WARREN DUNHAM FOSTER
发明人
分类号
G03B21/32
主分类号
G03B21/32
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