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发明名称
Verfahren zum Kühlen von Zündkerzen.
摘要
申请公布号
AT127676(B)
申请公布日期
1932.04.11
申请号
ATD127676
申请日期
1931.05.09
申请人
ERFA WERK S. ERBEN & SOHN
发明人
分类号
主分类号
代理机构
代理人
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