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发明名称
Safety device for fluid pressure pipe lines
摘要
申请公布号
US2694407(A)
申请公布日期
1954.11.16
申请号
US19530359587
申请日期
1953.06.04
申请人
ELIZABETH KLEIN JOBSON
发明人
JOBSON JOHN H.
分类号
G05D16/06
主分类号
G05D16/06
代理机构
代理人
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