Ball and socket joint and method of making same,申请号US19300420346-传众专利搜索

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发明名称	Ball and socket joint and method of making same
摘要
申请公布号	US1798738(A)	申请公布日期	1931.03.31
申请号	US19300420346	申请日期	1930.01.13
申请人	WILCOX-RICH CORPORATION	发明人	HOERN JOSEPH H.
分类号	B21K1/76;B21K25/00	主分类号	B21K1/76
代理机构		代理人
主权项
地址

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