Sealing device for high-pressure vessels,申请号US19460643108-传众专利搜索

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发明名称	Sealing device for high-pressure vessels
摘要
申请公布号	US2467061(A)	申请公布日期	1949.04.12
申请号	US19460643108	申请日期	1946.01.24
申请人	HALLIBURTON OIL WELL CEMENTING COMPANY	发明人	MASON JOHN F.
分类号	F16J15/48	主分类号	F16J15/48
代理机构		代理人
主权项
地址

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