Diver's helmet for welding and burning,申请号US19450607895-传众专利搜索

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发明名称	Diver's helmet for welding and burning
摘要
申请公布号	US2517600(A)	申请公布日期	1950.08.08
申请号	US19450607895	申请日期	1945.07.30
申请人	HENRY RUHL GEORGE	发明人	RUHL GEORGE HENRY
分类号	B63C11/02	主分类号	B63C11/02
代理机构		代理人
主权项
地址

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