VENTILATION CONTROLLER FOR DUCT,申请号JP19880321266-传众专利搜索

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发明名称	VENTILATION CONTROLLER FOR DUCT
摘要
申请公布号	JPH02168000(A)	申请公布日期	1990.06.28
申请号	JP19880321266	申请日期	1988.12.20
申请人	TOSHIBA CORP	发明人	SADA YUICHI
分类号	E21F1/00;E21F11/00	主分类号	E21F1/00
代理机构		代理人
主权项
地址

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