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发明名称
Cover
摘要
申请公布号
US1889206(A)
申请公布日期
1932.11.29
申请号
US19310538197
申请日期
1931.05.18
申请人
LIPSCHULTZ LOUIS E
发明人
LIPSCHULTZ LOUIS E.
分类号
F01P7/10
主分类号
F01P7/10
代理机构
代理人
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