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发明名称
Ventilator
摘要
申请公布号
US2279620(A)
申请公布日期
1942.04.14
申请号
US19380238433
申请日期
1938.11.02
申请人
W. F. HIRSCHMAN CO., INC.
发明人
HIRSCHMAN WILLIAM F.
分类号
F24F7/02
主分类号
F24F7/02
代理机构
代理人
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地址
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