Hydraulic extensible seal,申请号US19520325403-传众专利搜索

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发明名称	Hydraulic extensible seal
摘要
申请公布号	US2757542(A)	申请公布日期	1956.08.07
申请号	US19520325403	申请日期	1952.12.11
申请人	KLINGLER KARL A	发明人	KLINGLER KARL A.
分类号	F16J3/06	主分类号	F16J3/06
代理机构		代理人
主权项
地址

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