Sheet metal wall or ceiling panel,申请号US19550491921-传众专利搜索

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发明名称	Sheet metal wall or ceiling panel
摘要
申请公布号	US2851134(A)	申请公布日期	1958.09.09
申请号	US19550491921	申请日期	1955.03.03
申请人	ROBINSON JR JOSEPH J	发明人	JR. JOSEPH J. ROBINSON,
分类号	E04F13/12	主分类号	E04F13/12
代理机构		代理人
主权项
地址

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