BLOCK FOR PREVENTING BALLAST OUTFLOW,申请号JP19810142435-传众专利搜索

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发明名称	BLOCK FOR PREVENTING BALLAST OUTFLOW
摘要
申请公布号	JPS5844101(A)	申请公布日期	1983.03.15
申请号	JP19810142435	申请日期	1981.09.11
申请人	NOZAWA TAIZOU;MACHII KATSUMASA;MATSUSHITA YUUSHIN	发明人	MATSUSHITA YUUSHIN
分类号	E01B1/00	主分类号	E01B1/00
代理机构		代理人
主权项
地址

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