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发明名称
Valves
摘要
申请公布号
US2905432(A)
申请公布日期
1959.09.22
申请号
US19540450642
申请日期
1954.08.18
申请人
JEAN MERCIER
发明人
MERCIER JEAN
分类号
F15B1/027;F16K17/10;G05D16/10;G05D16/16
主分类号
F15B1/027
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