Improvements in drainage pipes,申请号GB19640000860-传众专利搜索

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发明名称	Improvements in drainage pipes
摘要
申请公布号	GB1009671(A)	申请公布日期	1965.11.10
申请号	GB19640000860	申请日期	1964.01.08
申请人	REHAU-PLASTIKS G.M.B.H.	发明人
分类号	E02B11/00	主分类号	E02B11/00
代理机构		代理人
主权项
地址

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