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发明名称
Spark plug cleaning device
摘要
申请公布号
US1987374(A)
申请公布日期
1935.01.08
申请号
US19320636384
申请日期
1932.10.05
申请人
FRANK J. NOLAN
发明人
SHELTON ROBERT ROY
分类号
B24C3/34
主分类号
B24C3/34
代理机构
代理人
主权项
地址
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