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经营范围
发明名称
Pivoted stop valve
摘要
申请公布号
US2653004(A)
申请公布日期
1953.09.22
申请号
US19470730038
申请日期
1947.02.21
申请人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE A. G.
发明人
SCHNYDER OTHMAR
分类号
F16K43/00
主分类号
F16K43/00
代理机构
代理人
主权项
地址
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Foreign title