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发明名称
METHOD OF MAKING A CHIMNEY COWL
摘要
申请公布号
GB1574339(A)
申请公布日期
1980.09.03
申请号
GB19770021353
申请日期
1977.05.20
申请人
ZANIEWSKI M
发明人
分类号
F23L17/02;(IPC1-7):F23L17/02
主分类号
F23L17/02
代理机构
代理人
主权项
地址
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