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经营范围
发明名称
Noncorrosive valve
摘要
申请公布号
US2688462(A)
申请公布日期
1954.09.07
申请号
US19510213571
申请日期
1951.03.02
申请人
JOHNS-MANVILLE CORPORATION
发明人
BARBEHENN RALPH L.
分类号
F16K27/02
主分类号
F16K27/02
代理机构
代理人
主权项
地址
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