Journal-box lubricator,申请号US19280284969-传众专利搜索

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发明名称	Journal-box lubricator
摘要
申请公布号	US1789266(A)	申请公布日期	1931.01.13
申请号	US19280284969	申请日期	1928.06.13
申请人	ROCKENSTIRE WALTER C	发明人	ROCKENSTIRE WALTER C.
分类号	B61F17/26	主分类号	B61F17/26
代理机构		代理人
主权项
地址

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