Heat treatment of alloy glass machine castings,申请号US19330682954-传众专利搜索

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发明名称	Heat treatment of alloy glass machine castings
摘要
申请公布号	US2057892(A)	申请公布日期	1936.10.20
申请号	US19330682954	申请日期	1933.07.31
申请人	THE BONNEY-FLOYD COMPANY	发明人	GREGG ALFRED W.;FRANK RAYMOND H.
分类号		主分类号
代理机构		代理人
主权项
地址

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