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经营范围
发明名称
Improved silencer for gaseous and like currents
摘要
申请公布号
GB388649(A)
申请公布日期
1933.03.02
申请号
GB19320019202
申请日期
1932.07.07
申请人
WILLIAM ALEXANDER
发明人
分类号
F01N1/08
主分类号
F01N1/08
代理机构
代理人
主权项
地址
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