Double walled pipe element for building chimneys,申请号EP19970102961-传众专利搜索

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发明名称	Double walled pipe element for building chimneys
摘要
申请公布号	EP0798513(A3)	申请公布日期	1999.02.03
申请号	EP19970102961	申请日期	1997.02.24
申请人	KARL SCHRAEDER NACHFOLGER INH. KARL-HEINZ SCHRAEDER	发明人	SCHRAEDER, KARL-HEINZ;FUNDA, HORST
分类号	E04F17/02;F23J13/04;(IPC1-7):F23J13/04	主分类号	E04F17/02
代理机构		代理人
主权项
地址

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