Improvements in or relating to apparatus for testing the pitch of gears,申请号GB19430009290-传众专利搜索

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发明名称	Improvements in or relating to apparatus for testing the pitch of gears
摘要
申请公布号	GB571150(A)	申请公布日期	1945.08.09
申请号	GB19430009290	申请日期	1943.06.09
申请人	DANIEL ERNST	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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