Машина для резки ракушечника,申请号SU19310097033-传众专利搜索

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发明名称	Машина для резки ракушечника
摘要
申请公布号	SU30242(A1)	申请公布日期	1933.05.31
申请号	SU19310097033	申请日期	1931.11.03
申请人	ROVENSKIJ S.I.	发明人	ROVENSKIJ S.I.
分类号	E21C47/10;B28D1/04	主分类号	E21C47/10
代理机构		代理人
主权项
地址

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