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发明名称
Black-out ventilator
摘要
申请公布号
US2362114(A)
申请公布日期
1944.11.07
申请号
US19430481169
申请日期
1943.03.30
申请人
CARVER WALTER W
发明人
CARVER WALTER W.
分类号
B63J2/10
主分类号
B63J2/10
代理机构
代理人
主权项
地址
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