DUCT WITH A FLAP FOR CLOSING THE SAME,申请号GB19770000698-传众专利搜索

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发明名称	DUCT WITH A FLAP FOR CLOSING THE SAME
摘要
申请公布号	GB1556533(A)	申请公布日期	1979.11.28
申请号	GB19770000698	申请日期	1977.01.10
申请人	LTG LUFTTECHNISCHE GMBH	发明人
分类号	F16K1/22;F24F13/10;(IPC1-7):F16K1/24	主分类号	F16K1/22
代理机构		代理人
主权项
地址

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