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经营范围
发明名称
Fireplace damper
摘要
申请公布号
US2363026(A)
申请公布日期
1944.11.21
申请号
US19410385445
申请日期
1941.03.27
申请人
THE MAJESTIC COMPANY
发明人
TRIGGS KENNETH F.
分类号
F24B1/189
主分类号
F24B1/189
代理机构
代理人
主权项
地址
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