Method of locking and sealing tubular structures,申请号US19560566319-传众专利搜索

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发明名称	Method of locking and sealing tubular structures
摘要
申请公布号	US2854744(A)	申请公布日期	1958.10.07
申请号	US19560566319	申请日期	1956.02.17
申请人	CROCKETT SYDNEY R	发明人	CROCKETT SYDNEY R.
分类号	B21D39/04;F02K9/34	主分类号	B21D39/04
代理机构		代理人
主权项
地址

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