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经营范围
发明名称
Acoustical silencer
摘要
申请公布号
US2872998(A)
申请公布日期
1959.02.10
申请号
US19540419711
申请日期
1954.03.30
申请人
AMERICAN RADIATOR & STANDARD SANITARY CORPORATION
发明人
TINKER TOWNSEND
分类号
F01N1/06;F01N1/08
主分类号
F01N1/06
代理机构
代理人
主权项
地址
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