Roofing and calculating square,申请号US19480039869-传众专利搜索

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发明名称	Roofing and calculating square
摘要
申请公布号	US2528633(A)	申请公布日期	1950.11.07
申请号	US19480039869	申请日期	1948.07.21
申请人	W. F. MCKINLEY	发明人	ANDERSON GUY R.
分类号	B25H7/00	主分类号	B25H7/00
代理机构		代理人
主权项
地址

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