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发明名称
摘要
申请公布号	JPS527530(Y2)	申请公布日期	1977.02.17
申请号	JP19720043778U	申请日期	1972.04.12
申请人		发明人
分类号	E03C1/122;E03F5/00;F16L41/02;(IPC1-7):F16L41/02	主分类号	E03C1/122
代理机构		代理人
主权项
地址

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