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经营范围
发明名称
Stressed ball valve seals
摘要
申请公布号
US3370825(A)
申请公布日期
1968.02.27
申请号
US19650473244
申请日期
1965.07.19
申请人
DOMER SCARAMUCCI
发明人
SCARAMUCCI DOMER
分类号
F16K5/06
主分类号
F16K5/06
代理机构
代理人
主权项
地址
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