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发明名称
Improvements in the photographic step of the process of photosculpture
摘要
申请公布号
GB471617(A)
申请公布日期
1937.09.08
申请号
GB19360014381
申请日期
1936.05.21
申请人
PHOTOSCULPTURE LIMITED;SIDNEY THOMAS JEFFREYS
发明人
分类号
G03F7/00
主分类号
G03F7/00
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