Pipe flanging machine,申请号US19330689333-传众专利搜索

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发明名称	Pipe flanging machine
摘要
申请公布号	US2004313(A)	申请公布日期	1935.06.11
申请号	US19330689333	申请日期	1933.09.13
申请人	BARNES CROCKETT WILLIAM	发明人	CROCKETT WILLIAM BARNES
分类号	B21D41/02	主分类号	B21D41/02
代理机构		代理人
主权项
地址

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