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发明名称
Double jacketed prefabricated chimneys
摘要
申请公布号
FR1601349(A)
申请公布日期
1970.08.17
申请号
FRD1601349
申请日期
1968.12.12
申请人
发明人
分类号
E04F17/02
主分类号
E04F17/02
代理机构
代理人
主权项
地址
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