Stone-polishing machine,申请号US19260157632-传众专利搜索

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发明名称	Stone-polishing machine
摘要
申请公布号	US1777726(A)	申请公布日期	1930.10.07
申请号	US19260157632	申请日期	1926.12.29
申请人	S. HASKEL & SONS, INC.	发明人	INWALD JOSEPH;HASKEL ISIDORE
分类号	B24B7/22	主分类号	B24B7/22
代理机构		代理人
主权项
地址

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