Ball-bearing for scientific instruments,申请号US19320620582-传众专利搜索

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发明名称	Ball-bearing for scientific instruments
摘要
申请公布号	US2028718(A)	申请公布日期	1936.01.21
申请号	US19320620582	申请日期	1932.07.02
申请人	ERNST LEITZ	发明人	HEINE HERMANN
分类号	F16C29/04	主分类号	F16C29/04
代理机构		代理人
主权项
地址

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