VENTILATION COLLAR OF PLASTIC LINING PIPE,申请号JP19890255056-传众专利搜索

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发明名称	VENTILATION COLLAR OF PLASTIC LINING PIPE
摘要
申请公布号	JPH02142998(A)	申请公布日期	1990.06.01
申请号	JP19890255056	申请日期	1989.09.29
申请人	DOW CHEM CO:THE	发明人	RII II UORUKO;RODONII JII GURIYUSETSUKI
分类号	F16L58/10;F16L23/12	主分类号	F16L58/10
代理机构		代理人
主权项
地址

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