FLOATING-UP PREVENTING METHOD OF BURIED PIPE,申请号JP19800076961-传众专利搜索

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发明名称	FLOATING-UP PREVENTING METHOD OF BURIED PIPE
摘要
申请公布号	JPS576176(A)	申请公布日期	1982.01.13
申请号	JP19800076961	申请日期	1980.06.06
申请人	SEKISUI CHEMICAL CO LTD	发明人	HATSUTORI GOROU
分类号	E03F5/04;F16L1/024	主分类号	E03F5/04
代理机构		代理人
主权项
地址

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