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发明名称
Improvements in or relating to light-sensitive materials
摘要
申请公布号
GB371153(A)
申请公布日期
1932.04.21
申请号
GB19310010285
申请日期
1931.04.07
申请人
KALLE & CO. AKTIENGESELLSCHAFT
发明人
分类号
G03C1/52
主分类号
G03C1/52
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代理人
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