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经营范围
发明名称
Improvements in or relating to photographic film casettes
摘要
申请公布号
GB662407(A)
申请公布日期
1951.12.05
申请号
GB19490028004
申请日期
1949.11.01
申请人
WILLIAM CHARLES DYE;GEORGE HENRY PHILLIP BENNETT;JAMES CHARLES QUEMBY;WILLIAM JAMES HENRY BUCK
发明人
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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