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发明名称
Improvements in or relating to the preparation of smokeless powder
摘要
申请公布号
GB508914(A)
申请公布日期
1939.07.07
申请号
GB19380022379
申请日期
1938.07.27
申请人
HERCULES POWDER COMPANY
发明人
分类号
C06B23/04;C06B45/28
主分类号
C06B23/04
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代理人
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