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发明名称
Compression or vacuum machine
摘要
申请公布号
US2275774(A)
申请公布日期
1942.03.10
申请号
US19390250281
申请日期
1939.01.11
申请人
KRAISSL JR FREDERICK
发明人
JR. FREDERICK KRAISSL,
分类号
F04C29/02
主分类号
F04C29/02
代理机构
代理人
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地址
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