Carpenter's roof lay-out gauge,申请号US19390290035-传众专利搜索

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发明名称	Carpenter's roof lay-out gauge
摘要
申请公布号	US2212331(A)	申请公布日期	1940.08.20
申请号	US19390290035	申请日期	1939.08.14
申请人	MARIAN M. TRACY	发明人	TRACY MEARL V.
分类号	E04G21/18	主分类号	E04G21/18
代理机构		代理人
主权项
地址

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