Automatic control for electric steam boilers,申请号US19270164637-传众专利搜索

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发明名称	Automatic control for electric steam boilers
摘要
申请公布号	US1742406(A)	申请公布日期	1930.01.07
申请号	US19270164637	申请日期	1927.01.29
申请人	GIOVANNI MASCARINI	发明人	MASCARINI GIOVANNI
分类号	F22B1/30	主分类号	F22B1/30
代理机构		代理人
主权项
地址

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