Self-contained mechanical seal with o-ring,申请号US19460703731-传众专利搜索

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发明名称	Self-contained mechanical seal with o-ring
摘要
申请公布号	US2549112(A)	申请公布日期	1951.04.17
申请号	US19460703731	申请日期	1946.10.17
申请人	CRANE PACKING COMPANY	发明人	MILLER ROBERT F.
分类号	F16J15/38	主分类号	F16J15/38
代理机构		代理人
主权项
地址

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