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发明名称
Black powder
摘要
申请公布号
US2415848(A)
申请公布日期
1947.02.18
申请号
US19370120120
申请日期
1937.01.11
申请人
RINKENBACH WILLIAM H;ALLISON VERNON C
发明人
RINKENBACH WILLIAM H.;ALLISON VERNON C.
分类号
C06B31/04
主分类号
C06B31/04
代理机构
代理人
主权项
地址
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