Packing means for the tube joints in surface condensers,申请号US19570632592-传众专利搜索

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发明名称	Packing means for the tube joints in surface condensers
摘要
申请公布号	US2904315(A)	申请公布日期	1959.09.15
申请号	US19570632592	申请日期	1957.01.04
申请人	SAMUEL PENNELLA	发明人	PENNELLA SAMUEL
分类号	F28F9/06	主分类号	F28F9/06
代理机构		代理人
主权项
地址

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