Method of making pressure vessels,申请号US19380206529-传众专利搜索

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发明名称	Method of making pressure vessels
摘要
申请公布号	US2209402(A)	申请公布日期	1940.07.30
申请号	US19380206529	申请日期	1938.05.07
申请人	A. O. SMITH CORPORATION	发明人	KEPLER WILLIAM R.
分类号	B21D51/24;F16L9/04	主分类号	B21D51/24
代理机构		代理人
主权项
地址

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