Safety device for boilers,申请号US19300493882-传众专利搜索

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发明名称	Safety device for boilers
摘要
申请公布号	US1849200(A)	申请公布日期	1932.03.15
申请号	US19300493882	申请日期	1930.11.06
申请人	HARRIS MITCHELL WALTER	发明人	MITCHELL WALTER HARRIS
分类号	F22B37/42	主分类号	F22B37/42
代理机构		代理人
主权项
地址

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