Method of making brake drums,申请号US19270210532-传众专利搜索

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发明名称	Method of making brake drums
摘要
申请公布号	US1766956(A)	申请公布日期	1930.06.24
申请号	US19270210532	申请日期	1927.08.04
申请人	BUDD WHEEL COMPANY	发明人	SR. CHESTER SCULL,
分类号	B21D53/34	主分类号	B21D53/34
代理机构		代理人
主权项
地址

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