Composite construction member,申请号US19370134437-传众专利搜索

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发明名称	Composite construction member
摘要
申请公布号	US2234114(A)	申请公布日期	1941.03.04
申请号	US19370134437	申请日期	1937.04.01
申请人	CONERETE PLANK COMPANY	发明人	GIFFORD CHARLES R.
分类号	E04C2/04	主分类号	E04C2/04
代理机构		代理人
主权项
地址

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