DEVICE FOR RETURN WATER CONNECTION IN HEATING BOILERS,申请号CAD488113-传众专利搜索

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发明名称	DEVICE FOR RETURN WATER CONNECTION IN HEATING BOILERS
摘要
申请公布号	CA488113(A)	申请公布日期	1952.11.18
申请号	CAD488113	申请日期
申请人	JOHN ANDERS RYDBERG	发明人	JOHN ANDERS RYDBERG
分类号		主分类号
代理机构		代理人
主权项
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