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发明名称
Coiled shutter for enclosures
摘要
申请公布号
US2177931(A)
申请公布日期
1939.10.31
申请号
US19370167492
申请日期
1937.10.06
申请人
CRANE CO.
发明人
PIERSON CHARLES M.;MCPHERSON HAL W.
分类号
F24D19/06;F24F13/14
主分类号
F24D19/06
代理机构
代理人
主权项
地址
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