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经营范围
发明名称
Improvements in or relating to gelatin films
摘要
申请公布号
GB811940(A)
申请公布日期
1959.04.15
申请号
GB19550031740
申请日期
1955.11.07
申请人
AMERICAN CYANAMID COMPANY
发明人
分类号
主分类号
代理机构
代理人
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地址
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