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发明名称
METHOD OF MAKING A DIAPHRAGM VALVE
摘要
申请公布号
CA759203(A)
申请公布日期
1967.05.23
申请号
CAD759203
申请日期
申请人
GRINNELL COMPANY OF CANADA
发明人
HENRY W. BOTELER
分类号
主分类号
代理机构
代理人
主权项
地址
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