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经营范围
发明名称
Procédé de fabrication des poudres sans fumée
摘要
申请公布号
FR820060(A)
申请公布日期
1937.11.02
申请号
FRD820060
申请日期
1937.03.31
申请人
HERCULES POWDER COMPANY
发明人
分类号
C06B21/00
主分类号
C06B21/00
代理机构
代理人
主权项
地址
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