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发明名称
Coin-operated spark-plug cleaner
摘要
申请公布号
US1864072(A)
申请公布日期
1932.06.21
申请号
US19310529383
申请日期
1931.04.11
申请人
KLEINFELD MOSES H
发明人
KLEINFELD MOSES H.
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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