HILFSVORRICHTUNG ZUM AUSWECHSELN DER HAMMERKOEPFE BEI KLAVIEREN.,申请号DE196200R4786U-传众专利搜索

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发明名称	HILFSVORRICHTUNG ZUM AUSWECHSELN DER HAMMERKOEPFE BEI KLAVIEREN.
摘要
申请公布号	DE1862639(U)	申请公布日期	1962.11.22
申请号	DE196200R4786U	申请日期	1962.09.21
申请人	FA. LOUIS RENNER	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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