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发明名称
Perfectionnements apportés aux dispositifs de sûreté
摘要
申请公布号
FR1118773(A)
申请公布日期
1956.06.11
申请号
FRD1118773
申请日期
1954.12.02
申请人
ROSS OPERATING VALVE COMPANY
发明人
分类号
F15B13/01
主分类号
F15B13/01
代理机构
代理人
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