Concrete placement machine,申请号US19460644921-传众专利搜索

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发明名称	Concrete placement machine
摘要
申请公布号	US2449851(A)	申请公布日期	1948.09.21
申请号	US19460644921	申请日期	1946.02.01
申请人	JACKSON VIBRATORS, INC.	发明人	JACKSON CORWILL
分类号	E01C19/40	主分类号	E01C19/40
代理机构		代理人
主权项
地址

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