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经营范围
发明名称
Pulsation absorber
摘要
申请公布号
US2489491(A)
申请公布日期
1949.11.29
申请号
US19460640964
申请日期
1946.01.12
申请人
LOU-SON DEVELOPMENT CO.
发明人
JOHNSON JACK
分类号
F16L55/053
主分类号
F16L55/053
代理机构
代理人
主权项
地址
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