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经营范围
发明名称
Spring biased valve seat seal
摘要
申请公布号
US2595012(A)
申请公布日期
1952.04.29
申请号
US19470739045
申请日期
1947.04.03
申请人
THE MAYTAG COMPANY
发明人
SMITH THOMAS R.
分类号
F16K1/36;F16K1/46
主分类号
F16K1/36
代理机构
代理人
主权项
地址
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