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发明名称
Draft limiting damper
摘要
申请公布号
US2514446(A)
申请公布日期
1950.07.11
申请号
US19470731592
申请日期
1947.02.28
申请人
FIELD JR EDWARD A
发明人
JR. EDWARD A. FIELD,
分类号
F23L13/02
主分类号
F23L13/02
代理机构
代理人
主权项
地址
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