VACUUM STEAM HEATING SYSTEM,申请号CAD321265-传众专利搜索

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发明名称	VACUUM STEAM HEATING SYSTEM
摘要
申请公布号	CA321265(A)	申请公布日期	1932.04.05
申请号	CAD321265	申请日期
申请人	THE NASH ENGINEERING COMPANY	发明人	IRVING CALLENDER JENNINGS
分类号		主分类号
代理机构		代理人
主权项
地址

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