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发明名称
VALVE STRUCTURE
摘要
申请公布号
CA587791(A)
申请公布日期
1959.11.24
申请号
CAD587791
申请日期
申请人
GENERAL CONTROLS CO.
发明人
RICHARD D. GRAYSON
分类号
主分类号
代理机构
代理人
主权项
地址
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