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经营范围
发明名称
Diaphragm valves
摘要
申请公布号
US2936998(A)
申请公布日期
1960.05.17
申请号
US19540456141
申请日期
1954.09.15
申请人
GRINNELL CORPORATION
发明人
LOEPSINGER ALBERT J.
分类号
F16K7/12
主分类号
F16K7/12
代理机构
代理人
主权项
地址
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