Method and apparatus for forming sleepers in building construction,申请号US19500137713-传众专利搜索

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发明名称	Method and apparatus for forming sleepers in building construction
摘要
申请公布号	US2575678(A)	申请公布日期	1951.11.20
申请号	US19500137713	申请日期	1950.01.10
申请人	ROY OLSON CLARENCE LE	发明人	OLSON CLARENCE LE ROY
分类号	E04G13/00	主分类号	E04G13/00
代理机构		代理人
主权项
地址

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