IMPACT AND ABRASION RELIEVING APPARATUS OF CULVERT,申请号JP19810181969-传众专利搜索

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发明名称	IMPACT AND ABRASION RELIEVING APPARATUS OF CULVERT
摘要
申请公布号	JPS5883741(A)	申请公布日期	1983.05.19
申请号	JP19810181969	申请日期	1981.11.13
申请人	SEIBU PORIMA KASEI KK	发明人	TAKADA SEIJI
分类号	E03F1/00;E03F5/02;E03F5/10	主分类号	E03F1/00
代理机构		代理人
主权项
地址

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