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经营范围
发明名称
Noise dampener
摘要
申请公布号
US2960110(A)
申请公布日期
1960.11.15
申请号
US19590842541
申请日期
1959.09.25
申请人
LEVISON FLOYD S
发明人
LEVISON FLOYD S.
分类号
F16L51/04;F16L55/033
主分类号
F16L51/04
代理机构
代理人
主权项
地址
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