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发明名称
Fireplace damper construction
摘要
申请公布号
US3261348(A)
申请公布日期
1966.07.19
申请号
US19650461670
申请日期
1965.06.07
申请人
SADIE MIRIAM NORTHWOOD
发明人
NORTHWOOD JOHN V.
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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