APPARATUS FOR MAINTAINING BRIDGE PRESSURE OF PIANO,申请号JP19840225028-传众专利搜索

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发明名称	APPARATUS FOR MAINTAINING BRIDGE PRESSURE OF PIANO
摘要
申请公布号	JPS61102692(A)	申请公布日期	1986.05.21
申请号	JP19840225028	申请日期	1984.10.24
申请人	ONGAKU BUNKADOU:KK	发明人	FUKUSHIMA YOSHIAKI
分类号	G10C3/06	主分类号	G10C3/06
代理机构		代理人
主权项
地址

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