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经营范围
发明名称
Photographic film cassettes or containers
摘要
申请公布号
US3043534(A)
申请公布日期
1962.07.10
申请号
US19580756719
申请日期
1958.08.22
申请人
RALPH NORRIS LIMITED
发明人
HEJNOCHOWICZ RUDOLF NORRIS
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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