Improved wooden beam,申请号GB19650002858-传众专利搜索

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发明名称	Improved wooden beam
摘要
申请公布号	GB1087481(A)	申请公布日期	1967.10.18
申请号	GB19650002858	申请日期	1965.01.22
申请人	GOTTFRIED KAEMPF	发明人
分类号	C07D235/10;E04C3/29;E04C3/42	主分类号	C07D235/10
代理机构		代理人
主权项
地址

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