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发明名称
Powder trap
摘要
申请公布号
US2549811(A)
申请公布日期
1951.04.24
申请号
US19440551047
申请日期
1944.08.24
申请人
HICKMAN CLARENCE N
发明人
HICKMAN CLARENCE N.
分类号
F02K9/10;F02K9/14;F02K9/32;F02K9/36
主分类号
F02K9/10
代理机构
代理人
主权项
地址
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