Stuffing box for ships' propeller shafts,申请号US19280278103-传众专利搜索

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发明名称	Stuffing box for ships' propeller shafts
摘要
申请公布号	US1815096(A)	申请公布日期	1931.07.21
申请号	US19280278103	申请日期	1928.05.16
申请人	WILHELM CEDERVALL CARL	发明人	CEDERVALL CARL WILHELM
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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