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发明名称
Valve construction
摘要
申请公布号
GB669933(A)
申请公布日期
1952.04.09
申请号
GB19490021318
申请日期
1949.08.16
申请人
MARVIN HENRY GROVE;JULIA EMORY GROVE
发明人
分类号
F16K3/02;F16K5/04
主分类号
F16K3/02
代理机构
代理人
主权项
地址
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