Checkerbrick and checkerwork construction,申请号US19300487483-传众专利搜索

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发明名称	Checkerbrick and checkerwork construction
摘要
申请公布号	US1880011(A)	申请公布日期	1932.09.27
申请号	US19300487483	申请日期	1930.10.09
申请人	H. A. BRASSERT & COMPANY	发明人	BOYNTON ARTHUR J.
分类号	C21B9/06	主分类号	C21B9/06
代理机构		代理人
主权项
地址

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