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发明名称
Safety mechanism
摘要
申请公布号
US2160137(A)
申请公布日期
1939.05.30
申请号
US19370121139
申请日期
1937.01.18
申请人
FROUSSARD ALBERT F
发明人
FROUSSARD ALBERT F.
分类号
F16K11/085
主分类号
F16K11/085
代理机构
代理人
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