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发明名称
FERTIGTEILELEMENT FUER SCHORNSTEINE
摘要
申请公布号
DE2415281(B2)
申请公布日期
1977.11.17
申请号
DE19742415281
申请日期
1974.03.29
申请人
发明人
分类号
E04H12/28;(IPC1-7):E04H12/28
主分类号
E04H12/28
代理机构
代理人
主权项
地址
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