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经营范围
发明名称
Smokeless powder
摘要
申请公布号
GB621685(A)
申请公布日期
1949.04.14
申请号
GB19460008708
申请日期
1946.03.20
申请人
HERCULES POWDER COMPANY
发明人
分类号
C06B45/02
主分类号
C06B45/02
代理机构
代理人
主权项
地址
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