Engraving or pattern reproducing mechanism,申请号US19340716816-传众专利搜索

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发明名称	Engraving or pattern reproducing mechanism
摘要
申请公布号	US2034240(A)	申请公布日期	1936.03.17
申请号	US19340716816	申请日期	1934.03.22
申请人	ROBERT KREMER;ROBERT CUMMINS	发明人	KREMER ROBERT;CUMMINS ROBERT
分类号	B44B3/00	主分类号	B44B3/00
代理机构		代理人
主权项
地址

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