Heat and pressure resisting tools,申请号US19300467116-传众专利搜索

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发明名称	Heat and pressure resisting tools
摘要
申请公布号	US1836821(A)	申请公布日期	1931.12.15
申请号	US19300467116	申请日期	1930.07.10
申请人	FRITZ SINGER	发明人	SINGER FRITZ
分类号	B21C25/02	主分类号	B21C25/02
代理机构		代理人
主权项
地址

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