Vent, overflow, and ladder unit for storage tanks,申请号US19460674615-传众专利搜索

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发明名称	Vent, overflow, and ladder unit for storage tanks
摘要
申请公布号	US2457155(A)	申请公布日期	1948.12.28
申请号	US19460674615	申请日期	1946.06.05
申请人	CHICAGO BRIDGE & IRON COMPANY	发明人	JACKSON ROBERT A.
分类号	B65D90/14	主分类号	B65D90/14
代理机构		代理人
主权项
地址

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