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经营范围
发明名称
Diaphragm valve
摘要
申请公布号
US3198205(A)
申请公布日期
1965.08.03
申请号
US19630315912
申请日期
1963.10.14
申请人
GRINNELL CORPORATION
发明人
BOTELER HENRY W.
分类号
F16K7/12;F16K31/126
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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