Implement for use in laying square tile,申请号US19500182847-传众专利搜索

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发明名称	Implement for use in laying square tile
摘要
申请公布号	US2642674(A)	申请公布日期	1953.06.23
申请号	US19500182847	申请日期	1950.09.01
申请人	SCHELL JR WILLIAM J	发明人	JR. WILLIAM J. SCHELL,
分类号	E04F21/22	主分类号	E04F21/22
代理机构		代理人
主权项
地址

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