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发明名称
Flexible ventilated coupling
摘要
申请公布号
US2628851(A)
申请公布日期
1953.02.17
申请号
US19500190513
申请日期
1950.10.17
申请人
MARMAN PRODUCTS CO., INC.
发明人
JESSUP RICHARD O.
分类号
F16L27/113
主分类号
F16L27/113
代理机构
代理人
主权项
地址
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