TWO STAGE TYPE SHIELDING DEVICE,申请号JP19870245835-传众专利搜索

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发明名称	TWO STAGE TYPE SHIELDING DEVICE
摘要
申请公布号	JPH0194193(A)	申请公布日期	1989.04.12
申请号	JP19870245835	申请日期	1987.10.01
申请人	TAISEI CORP	发明人	INO TOSHIMI
分类号	E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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