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发明名称
Firing point indicator for internal combustion engines
摘要
申请公布号
US2774033(A)
申请公布日期
1956.12.11
申请号
US19520321798
申请日期
1952.11.21
申请人
PENN HAROLD O
发明人
PENN HAROLD O.
分类号
F02P17/02
主分类号
F02P17/02
代理机构
代理人
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