Hydrostatic testing device,申请号US19460677141-传众专利搜索

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发明名称	Hydrostatic testing device
摘要
申请公布号	US2450909(A)	申请公布日期	1948.10.12
申请号	US19460677141	申请日期	1946.06.17
申请人	O'NEIL HAROLD D	发明人	O'NEIL HAROLD D.
分类号	B63B23/58	主分类号	B63B23/58
代理机构		代理人
主权项
地址

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