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发明名称
Spark-plug construction
摘要
申请公布号
US1801023(A)
申请公布日期
1931.04.14
申请号
US19270191028
申请日期
1927.05.13
申请人
CHAMPION SPARK PLUG COMPANY
发明人
ROHDE OTTO C.
分类号
H01T13/34
主分类号
H01T13/34
代理机构
代理人
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地址
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