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发明名称
IMPROVEMENTS IN OR RELATING TO VALVES
摘要
申请公布号
GB1222529(A)
申请公布日期
1971.02.17
申请号
GB19680050233
申请日期
1968.10.23
申请人
M & J DEVELOPMENT COMPANY;MARVIN HENRY GROVE;JULIE MILLER EMERY GROVE
发明人
分类号
F16K3/02
主分类号
F16K3/02
代理机构
代理人
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地址
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