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发明名称
Snap acting mechanism adapted for operating valves of steam engines
摘要
申请公布号
US2453844(A)
申请公布日期
1948.11.16
申请号
US19460661826
申请日期
1946.04.12
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
HUNGATE WILLIAM
分类号
F01L21/04
主分类号
F01L21/04
代理机构
代理人
主权项
地址
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