Combined metal door casing and plaster retaining means,申请号US19310535586-传众专利搜索

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发明名称	Combined metal door casing and plaster retaining means
摘要
申请公布号	US1975657(A)	申请公布日期	1934.10.02
申请号	US19310535586	申请日期	1931.05.07
申请人	KNAPP BROTHERS MANUFACTURING COMPANY	发明人	KNAPP GEORGE A.
分类号	E04F13/06;E06B1/58	主分类号	E04F13/06
代理机构		代理人
主权项
地址

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