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发明名称
Valve controls
摘要
申请公布号
US2842337(A)
申请公布日期
1958.07.08
申请号
US19550482204
申请日期
1955.01.17
申请人
RALPH PINTARELLI
发明人
PINTARELLI RALPH
分类号
F16L53/00
主分类号
F16L53/00
代理机构
代理人
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