A FIRE-RESISTANT PREFABRICATED STEEL BEAM,申请号AU19900053599-传众专利搜索

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发明名称	A FIRE-RESISTANT PREFABRICATED STEEL BEAM
摘要
申请公布号	AU636603(B2)	申请公布日期	1993.05.06
申请号	AU19900053599	申请日期	1990.04.04
申请人	DELTATEK OY	发明人	JORMA KYCKLING;PERTTI LEVO;PEKKA NYKYRI
分类号	E04B1/94;E04B5/29;E04C3/293	主分类号	E04B1/94
代理机构		代理人
主权项
地址

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