Building construction,申请号US19310543318-传众专利搜索

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发明名称	Building construction
摘要
申请公布号	US1935536(A)	申请公布日期	1933.11.14
申请号	US19310543318	申请日期	1931.06.10
申请人	UNITED STATES GYPSUM COMPANY	发明人	BALDUF BRUNO E.
分类号	E04B2/56;E04F13/04	主分类号	E04B2/56
代理机构		代理人
主权项
地址

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