SOUNDPROOF STRUCTURE OF CEILING,申请号JP19870149536-传众专利搜索

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发明名称	SOUNDPROOF STRUCTURE OF CEILING
摘要
申请公布号	JPS63312446(A)	申请公布日期	1988.12.20
申请号	JP19870149536	申请日期	1987.06.16
申请人	SEKISUI CHEM CO LTD	发明人	TAKEDA TOSHIRO;NAGASHIMA SHOJI
分类号	E04B1/98;E04B9/00	主分类号	E04B1/98
代理机构		代理人
主权项
地址

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