Ceiling support structure with collapsible joint clip,申请号US19640387736-传众专利搜索

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发明名称	Ceiling support structure with collapsible joint clip
摘要
申请公布号	US3321879(A)	申请公布日期	1967.05.30
申请号	US19640387736	申请日期	1964.08.05
申请人	W. J. HAERTEL & CO.	发明人	PURDY BURL O.
分类号	E04B9/12	主分类号	E04B9/12
代理机构		代理人
主权项
地址

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