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发明名称	Seal
摘要
申请公布号	US3064853(A)	申请公布日期	1962.11.20
申请号	US19590862879	申请日期	1959.12.30
申请人	JOHN E. MITCHELL COMPANY	发明人	LENTS CHARLES M.;LINCOLN JAMES E.
分类号	F16J15/02;F16J15/06	主分类号	F16J15/02
代理机构		代理人
主权项
地址

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