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经营范围
发明名称
Signal or smoke rocket
摘要
申请公布号
US2538333(A)
申请公布日期
1951.01.16
申请号
US19470783023
申请日期
1947.10.30
申请人
DAVID SCHERMULY CONRAD;JAMES SCHERMULY ALFRED;CHARLES SCHERMULY
发明人
SCHERMULY CONRAD DAVID;SCHERMULY ALFRED JAMES;SCHERMULY CHARLES
分类号
F42B10/18
主分类号
F42B10/18
代理机构
代理人
主权项
地址
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