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经营范围
发明名称
Improvements in or relating to photographic projection printing apparatus
摘要
申请公布号
GB614683(A)
申请公布日期
1948.12.20
申请号
GB19460021700
申请日期
1945.07.19
申请人
GRANVILLE GULLIMAN AND COMPANY LIMITED;SYDNEY BLACKWOOD WALDIE
发明人
分类号
G03B27/32
主分类号
G03B27/32
代理机构
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