RESONATOR TYPE SOUND ABSORBING MATERIAL,申请号JP19870272803-传众专利搜索

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发明名称	RESONATOR TYPE SOUND ABSORBING MATERIAL
摘要
申请公布号	JPH01113796(A)	申请公布日期	1989.05.02
申请号	JP19870272803	申请日期	1987.10.27
申请人	NEC CORP	发明人	TAKEO SEIJI
分类号	G10K11/16;G10K11/172	主分类号	G10K11/16
代理机构		代理人
主权项
地址

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