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发明名称
Nonreturn valve adapted to avoid back-firing in internal combustion engines
摘要
申请公布号
US1953443(A)
申请公布日期
1934.04.03
申请号
US19320636917
申请日期
1932.10.08
申请人
RICCARDO SPAGLIARDI
发明人
SPAGLIARDI RICCARDO
分类号
F02M17/30;F02M29/04
主分类号
F02M17/30
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代理人
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地址
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