Manufacture of flexible corrugated seamless metal tubing,申请号US19500196049-传众专利搜索

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发明名称	Manufacture of flexible corrugated seamless metal tubing
摘要
申请公布号	US2749963(A)	申请公布日期	1956.06.12
申请号	US19500196049	申请日期	1950.11.16
申请人	TECHNICRAFT LABORATORIES, INC.	发明人	CANDEE ELLSWORTH T.
分类号	B21D15/10	主分类号	B21D15/10
代理机构		代理人
主权项
地址

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