WALL PENETRATING DUCT,申请号JP19810177059-传众专利搜索

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发明名称	WALL PENETRATING DUCT
摘要
申请公布号	JPS5881290(A)	申请公布日期	1983.05.16
申请号	JP19810177059	申请日期	1981.11.06
申请人	HITACHI PLANT KENSETSU KK;HITACHI SEISAKUSHO KK	发明人	YOKOTA SHIGEO;YOSHIHARA IKUO
分类号	F16L5/00;F24F13/02	主分类号	F16L5/00
代理机构		代理人
主权项
地址

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