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经营范围
发明名称
Flush drain cock
摘要
申请公布号
US2686024(A)
申请公布日期
1954.08.10
申请号
US19520295970
申请日期
1952.06.27
申请人
NORTHROP AIRCRAFT, INC.
发明人
ZIMMER HAROLD J.
分类号
F16K35/02
主分类号
F16K35/02
代理机构
代理人
主权项
地址
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